in The Question ,
Use Euclid,s Division lemma to show that he square of any Positive integer is eitherof the form 3m or 3m+1 for some integer m.
we first say that let x be any positive integer in form 3q,3q+1 or 3q+2.Why do we say x in
Euclid,s division lemma
Show that every positive even integer is of the form2q and every positive odd
integer is of the form 2q +1where q is some integer.