Module 3 : Differentiation and Mean Value  Theorems
Lecture 8 : Chain Rule  [Section 8.1]
  Practice Exercise 8.2 : Chain rule and applications
  Continued . .
4.

Let be a differentiable function of the variable such that . Find the sum of intercepts of the tangent line to at every point is equal to .
   
5.
Let . Show that is a one-one differentiable function. Find .
   
6.

. Show that is one-one and 3 belongs to range of . Let and . Compute .
   
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