Published by:
CGP EDU Academic Team
Published on: August 11, 2026
If 
, then the value of 
for 
, is
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
We have 
Differentiating w.r.t. x , we get 
.....(i)
Differentiating w.r.t. x , we get
.....(ii)
Putting 
in 
we get 
Putting 
in (i), we get 
⇒ ⇒ 
Putting 
in (ii), we get
.
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