Find the derivative of f(x)=(x2+1)5f(x) = (x^2+1)^5f(x)=(x2+1)5.
10x(x2+1)410x(x^2+1)^410x(x2+1)4
5(x2+1)45(x^2+1)^45(x2+1)4
2x(x2+1)42x(x^2+1)^42x(x2+1)4
5x(x2+1)45x(x^2+1)^45x(x2+1)4