If

is an continuous periodic and bounded function with period

such that

let

and

Then

is

[Citat] If is an continuous periodic and bounded function with period such that let and Then is

This one is pretty straightforward... in general we'd like to know the source of the questions posed herein.

Thanks Admin I have Got answer is

Actually This question from JEE ADVANCED MOCK paper

Thanks Admin I have Got answer is

Actually This question from JEE ADVANCED MOCK paper

Since

is bounded, we have

for all

Consequently

Since

we obtain the estimates

Hence

for all

and therefore

Thus