Published by:
CGP EDU Academic Team
Published on: August 11, 2026
If the functions
and
are defined on
such that
then
is
Text Solution
Verified by ExpertsThe correct answer is:
A
We are given that
such that 
such that 
such that

Since
for any
there is only one value of
whether
is rational or irrational. Moreover as
also belongs to
. Therefore,
is one-one onto.
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