Use Euclid’s division lemma to show that the square of any positive integer is either of the form 3m or 3m+1 for some integer m. Use Euclid's division lemma to show that the square of any positive integer is either of the form 3m or 3m+1 for some integer m. October 3, 2020 Category: Chapter 1 - Real Numbers , Exercise 1.1 , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related