Use Euclid's division lemma to show that the square of any positive integer cannot be of the form 5m + 2 or 5m + 3 for some integer m.

Use Euclid's division lemma to show that the square of any positive in

1.	Use Euclid's division lemma to show that the square of any positive integer cannot be of the form 5m + 2 or 5m + 3 for some integer m.
Answer» Use Euclid's division lemma to show that the square of any positive integer cannot be of the form 5m + 2 or 5m + 3 for some integer m.