Parametric Equations : Differentiation : ExamSolutions

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Differentiating parametric equations tutorial.
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Опубликовано:

30 авг 2011

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Комментарии : 44

@malakmoataz1293 5 лет назад

I would've never got an A* in my exam if it weren't for your amazing videos! Thank you so much

@ExamSolutions_Maths 5 лет назад

You're welcome and well done on getting an A*.

@danleprince7856 Год назад

@BeenThroughShitLikeAPinky 8 месяцев назад

@@danleprince7856😂😂😂

@abyusem2659 3 года назад

ماشاء الله بارك الله فيك ❤❤

@finjosherpa2071 7 лет назад

To get this much of knowlwdge for free, you re like a guardian angel to me.And not only mine,also to the whole A level students of Nepal. Thanks Mr. Stuart

@ExamSolutions_Maths 7 лет назад

You are more than welcome

@ExamSolutions_Maths 11 лет назад

The 2 from the half does not go up to the top. It is 1/2 multiplied by (-3) which gives -3/2.

@addy583 8 лет назад

Thanks man! I like how you can explain this so much better than my actual lecturer in uni

@ExamSolutions_Maths 8 лет назад

+addy583 No probs. Pleased to help out.

@edwinsamuels5420 10 лет назад

thanks this was to the point and extremely useful

@DxFaa22 12 лет назад

You are great ! thanks a ton

@bedigaravinder2848 8 лет назад

thank u and it was an excellent explaination i like to watch some more videos regarding maths because it was easy in understanding ..................................

@brianheadley4121 7 лет назад

thanks... nice job mate

@tylorfrancois8838 8 лет назад

u the best bro

@ExamSolutions_Maths 12 лет назад

@MrLiverwurst As far as I am aware yes. Americans tend to say factor out.

@user-jc3qh9xq4y 2 месяца назад

Thanks sir, I have learnt too much from your videos ❤

@TheNetkrot 3 года назад

thanks this was great

@abyusem2659 3 года назад

I got 20/20 on my exam thank you you ❤❤

@-scieng-6592 7 лет назад

great vid

@arif_alias2033 5 лет назад

i'm enjoy with this video

@ahmedhersi9188 6 лет назад

Y doesnt the two go up since it is the coefficient of t

@stauns7642 6 лет назад

hey man thanks a lot , but how do I know which one divides the other? I really suck at math

@kazskx 11 лет назад

Hello:) I am wonderin, when you do the differentiation of -1/2t^3, doesn't it come out with 6t^-4 which also=6/t^4?

@shen7984 11 лет назад

hello parametric equations x=f(t),y=(t) where y is also a differentiable funtion of x then dy/dx=(dy/dt)/(dx/dt) what if i can't eliminate the parameter t (to express the parametric curve in terms of x and y) , can y still be treating as a function of x??? for example x=t*exp(t) , y=t*sin(t) how do you say that y is a function of x [y=h(x)] ? the term dt/dx be used when t is considered as a function of x,but what if I can't express t in terms of x The formula can still be used?

@riyajadhav1911 7 лет назад

thank you sir👍

@ExamSolutions_Maths 7 лет назад

Appreciated - thanks

@AM-xf8mu 3 года назад

5:11 why is it not -4sint

@goitseone8836 8 лет назад

You are the best!! so in this topic we don't apply product rule?

@ExamSolutions_Maths 8 лет назад

I did when I found dy/dx. dy/dx = dy/dt x dt/dx = [dy/dt] / [dx/dt]

@tabithambulwa1909 3 года назад

X=sin2thita y=cos3thita evaluate dy/dx+3/2 Y^1/3

@theshayanproduction 11 лет назад

does the sint/3cost not cancel out to 3tant? or can you not do that?

@parkourandfreerunning4214 2 года назад

I haven't watched the whole video yet so idk what part is this but if it's simply just sint/3cost it would be 1/3tant because sint/3cost is the same as saying 1sint/3cost. So if it was 3sint/1cost it would be 3tant. If it was 3sint/3cost it would be tant. Edit: Oh the part you're talking about, -sint/3cost would be -1/3tant

@MilahMee 8 лет назад

for the differentiation of x=3sin(t) why isn't the product rule used? Am I missing something?

@ExamSolutions_Maths 8 лет назад

+MilahMee Because we are not multiplying two variables together. 3 is a constant.

@lolzomgz1337 9 лет назад

I'm massively stuck on one question at the moment: x= (2e^t)-5 y=(8e^-t)+(3e^t)-4 Find the value of t when dy/dx =1 I got dy/de to be: (-8te^-t-1)+(3te^t-1) and de/dx to be: 1/(2te^t-1) Putting these together gives me dy/dx = [(-8te^-t-1)/(2te^t-1)]+[(3te^t-1)/(2te^t-1)] Ultimately, simplifying this and rearranging for dy/dx =-1 I get -1 = (-4e^-2t) + (3/2) By that is apparent ally impossible to solve. Can anyone help?

@bedigaravinder2848 8 лет назад

+lolzomgz1337 once try with logarithimic differrentiation if not then u can use parametric

@theophilusdarko4347 6 лет назад

y=2-3t/1+t, x=3+2t/1+t can you help me with this?

@TheRedGoldfish 11 лет назад

To save time I just do y dot / x dot

@Zannydude 11 лет назад

it's not spelled with a z as far as I am aware so being pedantic the awnser to your question is no but factorise is definately a word in the oxford dictionary.