Published by:
CGP EDU Academic Team
Published on: August 11, 2026
If roots of 
are imaginary, then
A
B
C
D
exactly two of 
and 
are positive
and are positive
Text Solution
Verified by ExpertsThe correct answer is:
A
Let 
. If the roots of 
imaginary, then we cannot say anything about 
(i.e. it can be positive, negative or zero). So, options , and are not necessarily true.
Further, if 
, then the graph of 
is above x-axis and hence 
for all 
.
Similarly, if 
, then the graph of 
is below 
-axis and hence
for all 
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