Question

how do i approach this problem?

Answer 1

do i use the product rule only?

Answer 2

how do i approach this problem? Do i only use the product rule? ... I have the answer but i don't know how to get there ... the correct answer is below:

Answer 3

and here is my attempt to this problem:

= (2)(2+3x^2)^3 + (2x)(6x)(3)(2+3x^2)^2
= (2+3x^2)^2 [(2)(2+3x^2) + (2x)(6x)(3)]
= (2+3x^2)^2 [(4+6x^2) + 36x^2]
= (2+3x^2)^2 (42x^2+4)