Question

Guys can someone please help me with Integration!

Answer 1

i'll try

Answer 2

what's your question?

Answer 3

Thanks, I am confused with the U- sub. method, do I always find the anti- derv
of u?

Answer 4

i can give you an example if you like

Answer 5

Please do.

Answer 6

integrate (x^2 + 1)^50.2x dx
let u = x^2 + 1
then du/dx = 2x
then du = 2x dx
so now we can write the integral in terms of u:-