Chapter 3.6: The Chain Rule

Question 1

What is the chain rule?

Answer 1

d/dx(f(g)) = f’(g) * g’

Question 2

What is the quotient rule?

Answer 2

if j(x) = f(x), then j′(x) = (f′(x)g(x) − g′(x)f(x). g(x)) / (g(x))2