Provide solution for RD Sharma maths class 12 chapter 9 Differentiability exercise Fill in the blanks question 6
Answer: 0
Hint: If is differentiable at all
, we must show
exists at all
Given:
Solution:
We know that is continuous everywhere but not differentiable at integer multiples of
and at
.
At and
(
is an integer),
From the graph, at this point
is not differentiable.