Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If 
is real and 
, then the complete set of values of 
for which 
is real, is:
A
or 
B
or 
C
or 
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Treat as quadratic in 
.
Discriminant: 
.
Factor: 
or 
.
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