Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let 
for all 
and 
for all 
. Let (fog) ( 
) denote 
and (gof)( 
) denote 
. Then which of the following is (are) true? (JEE Advanced 2015)
A
Range of 
is 
is B
Range of fog is 
C
D
There is an 
such that (gof) 
such that (gof)
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a, b, c)
We know that 
Thus, range of 
is also 
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