Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If for real values of 
then
A
is an acute angle
B
is a right angle
C
is an obtuse angle
D
No value of 
is possible
is possible
Text Solution
Verified by ExpertsThe correct answer is:
D
The quadratic equation is 
But x is real, therefore 
, which is impossible.
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