show that the squre of any positive integer is of the form 3m or 3m+1 for some integer m.
Asked by FEHMEEDAH NAZNEEN | 30th Aug, 2010, 08:49: PM
we use Euclid's lemma here.
so taking b=3,
a=3q+r where 0 less than or equal to r less than 3 and q is greater than or equal to zero.
so in either case a takes the form as mentioned in the question as q is a on negative integer.
Answered by | 31st Aug, 2010, 10:41: AM
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