A nice ratio

Level pending

Let A A be the sum of squares of the reciprocals of all natural numbers and let B B be the sum of squares of reciprocals of all odd natural numbers. If A B \frac {A}{B} can be expressed as x y \frac{x}{y} where x x and y y are coprime natural numbers, find x + y x+y .


The answer is 7.

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

0 solutions

No explanations have been posted yet. Check back later!

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...