Find the derivative of f(x)=(x2+x)2f(x) = (x^2 + x)^2f(x)=(x2+x)2.
2(x2+x)(2x+1)2(x^2+x)(2x+1)2(x2+x)(2x+1)
4x3+6x2+2x4x^3 + 6x^2 + 2x4x3+6x2+2x
Both a and b
None