Prove that the product of the positive integers **a** and **b** is even if and only if there exist positive integers **c** and **d** such that

Advertisements

Prove that the product of the positive integers **a** and **b** is even if and only if there exist positive integers **c** and **d** such that

Advertisements

This entry was posted in Number Puzzles and tagged Squares, Sum of three squares. Bookmark the permalink.

%d bloggers like this: