(e)
SOLUTION:
(e) Given:
Here, factors and are non-negative for all
Therefore, is strictly increasing if
And is strictly decreasing if
Hence, is strictly increasing in and is strictly decreasing in
(e)
SOLUTION:
(e) Given:
Here, factors and are non-negative for all
Therefore, is strictly increasing if
And is strictly decreasing if
Hence, is strictly increasing in and is strictly decreasing in