Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let 
be such that 
for all 
, and 
. If 
satisfies the differential equation, 
with 
, then 
is equal to :
Text Solution
Verified by ExpertsThe correct answer is:
A
JEE Main 2019
… (i)
Put 
in (i) to get 
Put 
in (i) to get 
or 
is rejected else 
in (i) gives 
Imply 
Hence, 
and 
By first principle derivative formula,
but 
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