Posted by **frm** on Thursday, October 10, 2013 at 10:40pm.

How many ordered pairs of positive integers (a,b) are there such that (4a-1)/b and (4b-1)/a are both integers?

## Answer this Question

## Related Questions

- Number Theory.,Math - How many ordered pairs of positive integers (a,b) are ...
- math, probability - There are six ways to write 5 as an ordered sum of three ...
- maths - For how many ordered pairs of positive integers n and k with n and k ...
- maths - For how many ordered pairs of positive integers n and k with n and k ...
- math - Find the sum of all positive integers m such that 2^m can be expressed as...
- plls heeeeeeelp math - How many ordered pairs of positive integers 1≤k&#...
- heeeeeeeeelp math - How many ordered pairs of positive integers 1≤k≤...
- math - How many ordered pairs of positive integers 1≤k≤n≤50 ...
- algebra - How many pairs of integers (not necessarily positive) are there such ...
- algebra - How many pairs of integers (not necessarily positive) are there such ...