Тёмный

Surds (Part 5) Rationalising the Denominator 1 - 10 Minute Maths Series | GCSE Maths Tutor 

The GCSE Maths Tutor
Подписаться 266 тыс.
Просмотров 150 тыс.
50% 1

Опубликовано:

 

30 сен 2024

Поделиться:

Ссылка:

Скачать:

Готовим ссылку...

Добавить в:

Мой плейлист
Посмотреть позже
Комментарии : 141   
@9I09I90
@9I09I90 3 года назад
i binge watched your channel during lockdown and i went from a grade 5-6 to a grade 9 and I've been accepted into one of the best sixth forms in London - thank you, absolute legend
@TheGCSEMathsTutor
@TheGCSEMathsTutor 3 года назад
Wow! That’s so amazing to hear!! Congratulations for putting the hard work in, that’s all on you, incredible achievement 👏🏼👏🏼👏🏼
@skykingtenz1232
@skykingtenz1232 3 года назад
What sixth form did you get into. Coz I live in London and I wanna know what's good
@yagizbaran4850
@yagizbaran4850 2 года назад
Napıyon lan hangi okuldasın
@soso_2558
@soso_2558 2 года назад
@@skykingtenz1232 I guess we'll never know
@skykingtenz1232
@skykingtenz1232 2 года назад
@@soso_2558 yes indeed
@omeegga
@omeegga 3 месяца назад
I love you (but not in a romantic way more like the love that someone feels for someone after they have been helped in a time of need or desperation. You see im in a time of need/ desperation because i have a test soon and i need a form of revision so finding yours has helped a lot, this makes me appreciate you to great levels causing me to say that i love you. However, just because I've said that i love you and i've elaborated how this feeling comes from a temporary helping hand that you've lent, does not mean that my appreciation levels for you would decrease after I no longer require your helping hand. Of course i will always appreciate the help you have provided and even if i don't necessarily need it at the moment does not mean i would lose any value towards you overtime)
@Trixsti
@Trixsti 2 месяца назад
The most grateful comment I've seen my entire life of living in this world, this is a whole page worth of words
@JassyKaur-gc1he
@JassyKaur-gc1he 4 месяца назад
Hey I love you so much I have my gcse paper 1 tommorrow and I lm at a 5 and really want a 7 with your vids binging them this whole night I think it’s actually possible THANKYOU SM your channels really helpful I just came across it today WISH I KNEW THIS CHANNEL EARLIER I REGRET IT AHH
@reemabaroom
@reemabaroom 4 месяца назад
how was ur exam? :)
@soso_2558
@soso_2558 2 года назад
I'm binge watching all your videos before my mocks 🤪
@Rafmee
@Rafmee 4 года назад
11:48 For this part, wouldn't the fraction be 5 over root 5 because root 5 times root 5 = 5, not root 5? I don't understand that part :')
@TheGCSEMathsTutor
@TheGCSEMathsTutor 4 года назад
The root 5 does become root 5, but the fraction on the bottom you would only multiply the numerator, the same as any fraction such as 1/5 x 2 becomes 2/5 😁🙏🏼🙏🏼
@salahdiinali7755
@salahdiinali7755 3 года назад
@@TheGCSEMathsTutor cap
@kawlanonya833
@kawlanonya833 3 года назад
@@TheGCSEMathsTutor oooohhh I get it thanks- I was confused on that part too
@shahwayway
@shahwayway 2 года назад
@@TheGCSEMathsTutor I was confused as well, thank you so much
@gamingjonsa5636
@gamingjonsa5636 5 месяцев назад
i still dont get it💀 my brain stopped working after doing the december mocks🙂
@sanvisharma8993
@sanvisharma8993 2 года назад
I absolutely love your videos. My maths teacher cant teach to save her life, so watching your videos helped me a lot.- your a legend THANK YOU
@zoannanaqvi3670
@zoannanaqvi3670 2 года назад
agreed!!! Mrs S needs to step up her game :/
@sanvisharma8993
@sanvisharma8993 2 года назад
@@zoannanaqvi3670 for real
@kiranshah8684
@kiranshah8684 2 года назад
@@sanvisharma8993 i know right
@binladen34444
@binladen34444 Год назад
HHHHHmjHHHHH.
@binladen34444
@binladen34444 Год назад
HHHHHmjHHHHH.
@lilywrites4357
@lilywrites4357 3 года назад
your videos really help me a lot... IGCSE student here. THANKU SO MUCH!
@MegaBanannaman
@MegaBanannaman 2 года назад
This video is definitely NOT abSURD! Thanks for the great tuition.
@TheGCSEMathsTutor
@TheGCSEMathsTutor 2 года назад
Haha love it! No problem at all!
@GCSEALevelMaths
@GCSEALevelMaths 3 года назад
Really well explained sir great job!! I find this channel a god send really helpful!!
@speedyracer-x4q
@speedyracer-x4q 3 года назад
@gcse maths tutor, bro on 10:30 why are we not multiplying top and bottom by 2 underoot 2
@vibhakumar7743
@vibhakumar7743 3 года назад
at 10.31, for the final answer, why can we not simplify 2 (numerator) and 4 (denomenator) to 1 and 2 respectively? @the GCSE math tutor
@tiktok-ul8pv
@tiktok-ul8pv 2 года назад
12:00 why isn’t 1/root5 times root5 not happening on both the numerator and the denominator I’m confused btw great videos
@daniellechad5748
@daniellechad5748 4 года назад
so so helpful please do a series on graphs !
@TheGCSEMathsTutor
@TheGCSEMathsTutor 4 года назад
Danielle Chad Thanks!! You can find the coordinate geometry series here: Coordinate Geometry - Perpendicular Lines | Part 2 | Grade 7-9 Maths Series | GCSE Maths Tutor ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Oe3kXsk3VWw.html 😁
@hettysinclair9393
@hettysinclair9393 3 года назад
You are saving my exams today thank you sir!!!!
@JassyKaur-gc1he
@JassyKaur-gc1he 4 месяца назад
Omfgggg rlfrrrr
@littleh8321
@littleh8321 4 года назад
On last question why isn’t the first number on second row 3??
@TheGCSEMathsTutor
@TheGCSEMathsTutor 4 года назад
Little H Not entirely sure what you’re asking. On the denominator?
@euphoriaggaminghd
@euphoriaggaminghd 3 года назад
@@TheGCSEMathsTutor aired
@TahsinRahman-hl9zh
@TahsinRahman-hl9zh 2 дня назад
4:59 in that question can u not just multiply by root 2 cause then it becomes 8 root 16 whixh is 8×4=32
@Tarunuknowbitch
@Tarunuknowbitch 6 месяцев назад
anyone in 2024
@simplyfreedom
@simplyfreedom 4 месяца назад
Here 😢
@tealisbored
@tealisbored День назад
hi
@Tarunuknowbitch
@Tarunuknowbitch День назад
@@tealisbored bruv my GCSE are over now and got my results as well
@jeoffharding6345
@jeoffharding6345 3 года назад
Brilliant work here!! made me understand surds finally
@jeoffharding6345
@jeoffharding6345 3 года назад
Subscribed
@TheGCSEMathsTutor
@TheGCSEMathsTutor 3 года назад
Amazing news! Glad to hear it 😁🙏🏼
@EmilyHenshaw-r9y
@EmilyHenshaw-r9y 11 месяцев назад
could someone explain the last questions he did? he was rationalising but in the example he did he multiplied both the top and bottom by root5 so wouldnt the 1/root5 turn into root5/5? as a root multiplied by itself is just that as a whole number. would appreciate an explanation thank you.
@Trixsti
@Trixsti 2 месяца назад
It's a whole number cuz like he said anything divided itself is always 1
@zerofyseGaming
@zerofyseGaming 4 месяца назад
yayaya thx so much
@APS378
@APS378 4 месяца назад
12:09 I thought root 5 multiplied by root 5 would just be 5 not root 5
@Trixsti
@Trixsti 2 месяца назад
No, think of it like this 3/2×10=30/2 basically what just happened here is that the two didn't change because there is an invisible 1, get it? I explained it the foundation way now you use this for the square root 5 and you may be asking why are there different ways he does it well the main questions are when u try to even it out and when you try to times a fraction tou do what I explained get it?
@elishamallinson6785
@elishamallinson6785 4 месяца назад
Why is it called Rationalising? What is Rationalising? Which bit is the Rationalising bit?
@Sophia-ur1nb
@Sophia-ur1nb 4 года назад
Very helpful!😊👍
@TheGCSEMathsTutor
@TheGCSEMathsTutor 4 года назад
Sophia Brilliant! Glad to hear it 😊
@skykingtenz1232
@skykingtenz1232 3 года назад
Great video like always
@TheGCSEMathsTutor
@TheGCSEMathsTutor 3 года назад
Thank you 😁🙏🏼
@GCSEALevelMaths
@GCSEALevelMaths 3 года назад
Good video sir good job sir. Top work sir.
@spytex5268
@spytex5268 Год назад
Sir ur acctually the goat i cant attend school and learning all my gcses by myself hopefully i can achieve high marks very helpful x
@SmallGuyFrank
@SmallGuyFrank 6 месяцев назад
how did they go?
@yukislife572
@yukislife572 2 месяца назад
@@SmallGuyFrank they never respond
@SmallGuyFrank
@SmallGuyFrank 2 месяца назад
@@yukislife572 fr they just disappear
@yukislife572
@yukislife572 2 месяца назад
@@SmallGuyFrank fr r u in yr 10 any chance?
@SmallGuyFrank
@SmallGuyFrank 2 месяца назад
@@yukislife572 nah Y11 just left, going into sixth form in September
@mathsmeadow5106
@mathsmeadow5106 4 года назад
I want videos about elevation and graphs please
@TheGCSEMathsTutor
@TheGCSEMathsTutor 4 года назад
Israth Hussain I’ll add it to the list! 😁
@mathsmeadow5106
@mathsmeadow5106 4 года назад
Thank you
@crsilvajrr970
@crsilvajrr970 Год назад
for the last type of question could you switch the symbol on the denominator and then itd rationalise more simply?
@mathsmeadow5106
@mathsmeadow5106 4 года назад
Helpful
@5kinz
@5kinz 8 месяцев назад
around 11:45 i think he meant to say numerator if theres any confusion
@fuadsalah8286
@fuadsalah8286 2 года назад
Freesciencelessons of maths!tysm you legends
@JassyKaur-gc1he
@JassyKaur-gc1he 4 месяца назад
Hehehe logeee t
@bsdpowa
@bsdpowa 6 месяцев назад
12:25 what is the rule called here? you multiplied 1/SR5 by SR5 and got SR5/SR5 which equals 1 and so denominator is 1 + 5 = 6. But fraction 1/SR5 can also be written as 5^-1/2 in which case the denominator would be 5^-1/2 + 5. How do I know which way is the correct way?
@1My3My9
@1My3My9 2 года назад
The part I don't get sometimes is what to multiple it by.. lets say the denominator is √3 to rationalise this do I multiply by √3 or - √3 because I get confused since some people say you have to change the sign of the root then multiply it but obviously in this video you didn't do that so now I'm baffled. Hopefully this wasn't confusing I hope you reply please
@Sl-ce1qs
@Sl-ce1qs 8 месяцев назад
ig its too late but ill explain it in case someone has the same concern as you, if 1/√a then multiply both nominator and denominator by √a and don't change signs if 1/a +- √b then multiply both nominator and denominator by the conjugate of the denominator => e.g; 4/(3-√5) (4 (3+√5)) / ((3-√5)(3+√5)) => (12 + 4√5 )/ (9- 3√5+ 3√5- 5) = 4 (3 + √5) / 4 = 3+√5
@1My3My9
@1My3My9 8 месяцев назад
@@Sl-ce1qs bro its fine I am in year 13 now doing alevel maths I understand it now :D
@umarbashir5908
@umarbashir5908 7 месяцев назад
At 11:46 did you mean to say you multiply it by the numerator ?
@aamaalechrish1439
@aamaalechrish1439 Год назад
thank u very much sir your videos are always useful and helpful
@regantwigge7341
@regantwigge7341 2 года назад
At 12:37 on the fraction you didn’t multiply the denominator by root 5?
@Trixsti
@Trixsti 2 месяца назад
No, think of it like this 3/2×10=30/2 basically what just happened here is that the two didn't change because there is an invisible 1, get it? I explained it the foundation way now you use this for the square root 5 and you may be asking why are there different ways he does it well the main questions are when u try to even it out and when you try to times a fraction tou do what I explained get it?
@meerkatking5521
@meerkatking5521 4 года назад
:) :) :) :)
@paroexe3220
@paroexe3220 2 года назад
my GCSE maths is today, going in to it with this, I'll toss a thanks your way if I do well :D
@TheGCSEMathsTutor
@TheGCSEMathsTutor 2 года назад
Best of luck! 🤞🏽
@ikemuoma8495
@ikemuoma8495 3 года назад
These videos are awesome!!,,
@mujz9608
@mujz9608 Год назад
thanks a lot
@zainailyas8335
@zainailyas8335 2 года назад
so so helpful thank you so much ❤❤
@TheGCSEMathsTutor
@TheGCSEMathsTutor 2 года назад
No problem at all! Glad to hear the channel is helping!
@harry011984
@harry011984 Год назад
I don't understand. Any surd in the denominator with a number, you seem to just multiply the surd by the surd and not the number. For example: (3-√2)√2 becomes 3√2-2 but for the denominator (2√2)√2, you're getting 2*2. How? Surely 2*√2 just becomes 2√2 again? I've followed all the other steps that make sense but I cannot understand this. I understand that √x*√x becomes X but here you are also multiplying the number by √x. It seems that I am missing a rule.
@jamesbrown9540
@jamesbrown9540 3 года назад
On 9:34 why wouldnt you do 5/5 = 1 so the answer would be \sqrt{ 5}
@TheGCSEMathsTutor
@TheGCSEMathsTutor 3 года назад
Because there isn’t a factor of 5 in the numerator unfortunately! Both parts on the numerator would have to divide by 5 to allow this 😭🙏🏼🙏🏼
@teatoktime9714
@teatoktime9714 3 года назад
You are the best maths tutor thank you for this
@anthonygear3290
@anthonygear3290 Год назад
Ur bringing me up to a grade 9 for sure bro
@JassyKaur-gc1he
@JassyKaur-gc1he 4 месяца назад
Aw
@fatimamohamed7893
@fatimamohamed7893 3 года назад
at 9:33 can't it be simplified further to become: √5? (the 5 will be moved to become 5√5 over 5then both 5"s in the numerator and denominator will be divided). thus can the answer be √5? pls reply fast i have a math test soon
@salahdiinali7755
@salahdiinali7755 3 года назад
lol
@diysisters2185
@diysisters2185 2 года назад
hey u probably dont need it now but thats wrong because only the 5 divides not the root 5. i thought that as well its because the other one the 5 times by the root but this one is added not multiplied. sorry for my bad explanation lmao
@MC10W
@MC10W 2 года назад
Thank you. Please do the summer 2022 Edexcel igcse 9-1 MATHS A PAPERS 1 HR AND 2HR HIGHER TIER PLEASE. THANKS.
@nooracademy_uz
@nooracademy_uz 3 года назад
super explanations ever
@daisywrathall6192
@daisywrathall6192 2 года назад
what about when there is a surd on the top and bottom?
@TheGCSEMathsTutor
@TheGCSEMathsTutor 2 года назад
See the next videos on the series 😁🙏🏼
@Smixx0
@Smixx0 2 года назад
How many marks would these questions roughly be??
@ryanaraujo-k7p
@ryanaraujo-k7p 11 месяцев назад
great video
@abdullahadnan7288
@abdullahadnan7288 2 года назад
On the last question if I write the answer as root 3 over 1 in an exam is it still right
@ipurpleungi1832
@ipurpleungi1832 2 года назад
Is this higher or foundation Pls does anyone know??
@Smixx0
@Smixx0 2 года назад
Higher
@MarissaCohen-s4t
@MarissaCohen-s4t 7 месяцев назад
This has been helping me so much, thank you so much
@H1289-h8o
@H1289-h8o 3 года назад
Thanks
@elamrani1449
@elamrani1449 2 года назад
👍👍
@TheGCSEMathsTutor
@TheGCSEMathsTutor 2 года назад
👍🏼
@akshayblox7028
@akshayblox7028 Год назад
Thank you so much you absolute legend
@l._.l07
@l._.l07 3 года назад
istg i need to pay this man or something because my future is brighter bcs of him
@TheGCSEMathsTutor
@TheGCSEMathsTutor 3 года назад
No need to pay me! Knowing I’ve helped is plenty 😁🙏🏼🙏🏼
@nn__ourr
@nn__ourr Год назад
For the 1/8_/8 I got root 2 Over 16
@gree_no
@gree_no 2 года назад
amazing thank you alot, sir
@user-qq5nz1ql7f
@user-qq5nz1ql7f Год назад
Thanks
@TheGCSEMathsTutor
@TheGCSEMathsTutor Год назад
My pleasure 😁
@maryamusman8489
@maryamusman8489 2 года назад
so helpful i swear
@infires_mochi6476
@infires_mochi6476 2 года назад
U are my real maths teacher!
@el_falco_1000G
@el_falco_1000G 7 месяцев назад
Very helpfull
@muskandevkota497
@muskandevkota497 2 года назад
You’re amazing !!!!!!!
@olaalfatih6774
@olaalfatih6774 Год назад
amazing
@finhask9
@finhask9 2 года назад
SO HELPFULLL
@darnellbailey5038
@darnellbailey5038 2 года назад
Thank youu😁
@lauriegardner7324
@lauriegardner7324 2 года назад
legend
@tobiashunt1170
@tobiashunt1170 2 года назад
Thank you
@maddie-1
@maddie-1 2 года назад
@swordam1063
@swordam1063 3 года назад
you are kind of slow apart from that very good
@dawudhasan5960
@dawudhasan5960 3 года назад
2x speed
@MattTheCommenter
@MattTheCommenter 2 года назад
it's better than rushing and making mistakes. There is a speed option on all devices anyway lol
@inaya8834
@inaya8834 2 года назад
could you please do videos on hard quadratic equations exam questions type and using the difference of two squares to draw graphs, I bare confused on those topics because my teacher doesn't explain it to me properly. thanks for ur videos.
@saaavhouston
@saaavhouston 7 месяцев назад
I am a mature student and whilst I had a relatively good grade in Mathematics, I needed to meet minimum entry requirements for my Medicine offer which requires an A. I self-studied from scratch and gained a grade 9. I am due to start Medicine at Bristol University this September. Thank you so much for the effort you put into these videos. They are phenomenal!
@nidalcommentator478
@nidalcommentator478 5 месяцев назад
hey topics would u recommend are crucial on this channel especially since GCSE are right around the corner ?
Далее
Свадьба Раяна Асланбекова ❤️
00:12
Редакция. News: 136-я неделя
45:09
Просмотров 1,5 млн
Трудности СГОРЕВШЕЙ BMW M4!
49:41
Просмотров 1,7 млн
Circle Theorems - GCSE Higher Maths
13:53
Просмотров 390 тыс.
Calculating With Surds - GCSE Higher Maths
15:22
Просмотров 32 тыс.
Similar Triangles - GCSE Maths
15:43
Просмотров 40 тыс.
Rationalising the Denominator - GCSE Higher Maths
14:32
Surds Rationalising the Denominator
19:38
Просмотров 132 тыс.
Свадьба Раяна Асланбекова ❤️
00:12