Question

If f(x) = 7x6cos-1x, find f '(x).

Answer 1

Answer:

F(x)=g'(x)h(X)+g(x)h'(x)

F(x)=90x9tan-1-[9*10/(1+x2)}

Answer 2

Answer:

42x^5cos^-1x-7x^6 1/√1-x^2

Step-by-step explanation:

Just took the test and this was the right answer