Opalq, thank you for your response. That is a very good proof. But I need to use the hint given in the question. That is I need to show the violation of
Opalq, thank you for your response. That is a very good proof. But I need to use the hint given in the question. That is I need to show the violation of
where c is a scalar, 0 < c < 1
I think you are misunderstanding the hint. You will never find a function x such that , because .
In fact, I used the hint in my example, in the inequality , which is equivalent to .