Published by:
CGP EDU Academic Team
Published on: August 12, 2026
The number of distinct real roots of
is
.(IIT-JEE, 2011)
Text Solution
Verified by ExpertsThe correct answer is:
2
(2)
Let
.

and
for all real
.
So, graph of
intersects
-axis only once.
Hence,
has only one turning point.
Also,
.
So, graph of
cuts
-axis at two points.
Hence,
has two real roots.
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