Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If
are the roots of
and also of
and if
are the roots of
, then
is
Text Solution
Verified by ExpertsThe correct answer is:
B
Given
are roots of

So 
They are also roots of

Substitute
:

But 
Raising to power
:

For this to match the given polynomial form, the sign must remain unchanged, which happens only when
is even.
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