Question

The difference of two numbers is 1 and the sum of their squares is 13. Find the numbers.

Answer 1

3 and 2. (or -2 and -3)

Explanation:

With a little trial and error with whole numbers that differ by 1, we find that 3 and 2 works. 3^2 + 2^2 = 13 and 3-2=1.