For given functions and
The given condition gives
and
It means
Since we have
That is,
Or,
And so,
See also Sandwich Theorems and Their Proofs.
Exercise-1 Prove
(Hint: )
For given functions and
The given condition gives
and
It means
Since we have
That is,
Or,
And so,
See also Sandwich Theorems and Their Proofs.
Exercise-1 Prove
(Hint: )