How many pairs of positive integer a, b are such that [tex]a^2 + b^2 = 121?[/tex](adsbygoogle = window.adsbygoogle || []).push({});

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# How many pairs of positive integer a, b

**Physics Forums | Science Articles, Homework Help, Discussion**