Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let 
be a twice differentiable function such that the quadratic equation 
in m , has two equal roots for every 
. If 
, and 
is the largest interval in which the function 
is increasing, then 
is equal to 
.
Text Solution
Verified by ExpertsThe correct answer is:
1
(1)
For equal roots in 
, discriminant 
:
This gives 
Integrating: 
, so 
Using 
and 
: 
For 
:
when 
, i.e., 
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