derivative of;

Question

((1+x^2)^2)sin(2x)

Answer 1

use the product rule

Answer 2

i got (1+x^2)^2(2cos(2x)+sin(2x)(4x(1+x^2)

is that right?

Answer 3

yes, correct

you might want to consider factoring it a bit more
(I see 2(1+x^2) as a common factor)

Answer 4

thanks you so much. that really helped alot