Prove : when n is a +ve integer > 2
Hi !
so
Each term in this product appears twice so we can rewrite it this way
We want to show that that is for . As also contains terms, one can write
Now I claim that each fraction which appears in this product is greater than or equal to 1 and that for , there is at least one fraction which is . If you manage to show this, the conclusion follows. Good luck !