redhound346Lv1
22 Dec 2021
Problem 42d
Page 189
Section 3.9: Linear Approximations And Differentials
Chapter 3: (differentiation rule)
Textbook ExpertVerified Tutor
22 Dec 2021
Given information
Given that the equation is 
Step-by-step explanation
Step 1.
We need to find 
where
where supposing that 
.
.Using The Quotient Rule:
If 
and 
are differentiable , then
and are differentiable , then
since and are differentiable, by substituting the given values, we obtain
and are differentiable, by substituting the given values, we obtain
(use The Sum Rule for 
