Question

How do you differentiate `(3x-4/x)^2 (1-x+7x^2)^4`?

Answer 1

#2(3x - 4/x^2) (3 + 4/x^2)[(1 - x + 7 x^2)^4] +(3x - 4/x^2)^2[4(1 - x + 7 x^2)^3(-1 + 14x)#