Published by:
CGP EDU Academic Team
Published on: August 12, 2026
If
and
, then
at
, is
Text Solution
Verified by ExpertsThe correct answer is:
B
Given,
....(i)
and
.......(ii)
Differentiating
(i) and
(ii) w. r. t. 

and 

Now, 
So, 

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