X and Y are whole nos(adsbygoogle = window.adsbygoogle || []).push({});

X+Y= square of a no.

X-Y=prime no.

X*Y=twin no. (eg 77)

X/Y=irrational no.

how to solve such kind of problems apart from trial n error basis(ad hoc) ?

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

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!

# Possible values of X and Y for the problem

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