12.2: Vectors (1/2) 

Great content and quality! Honestly speaking, your students are lucky to have you as a teacher.

I hope you know that you are extremely talented at teaching. Bravo!

i had been tired of finding a teacher who can explain this topic in easy way.fortunetely i got your channel. thank you so much for this wonderfull job. alots of love from NEPAL

love ur way of teaching please keep it up love from pakistan

Thank you very much. You are a great teacher!!!

How about vector a - a? Is it to be 0 or not?

Great work

perfect and very enjoyable.

Is this high school or college ?