Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If 
and 
has at least one real root, then the greatest value of 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
We have,
Clearly, LHS 
and, RHS 
.
Thus, the two sides are equal if each is equal to -2 .
Now, 
and, 
…… (ii)
Putting 
in (i), we get
Hence, the greatest value of 
is 
.
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