Module 11 :   Partial derivatives, Chain rules,  Implicit differentiation, Gradient, Directional derivatives
Lecture 32 :  Chain rules [Section 32.1]
 
   
  Practice Exercises
1.
Compute and where
(i)
(ii)

  Answers
   
2.
If is differentiable and
 

show that

   
3.
Let be such that for some and all
 

Show that if is differentiable, then

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