Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If the expression 
is a perfect square, then
A
B
C
D
none of these
Text Solution
Verified by ExpertsThe correct answer is:
A
Given quadratic expression is 
. This quadratic expression will be a perfect square if the discriminant of its corresponding equation is zero. Hence,
or 
or 
or 
or 
or 
or 
which is possible only when 
and 
, i.e., 
.
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