maximum number of columns in which they can march?4. Use Euclid's division lemma to show that the square of any positive integer is either ofthe form 3m or 3m + 1 for some integer m.(Hint: Letx be any positive integer then it is of the form 34, 3q+1 or 34 +2. Now squareeach of these and show that they can be rewritten in the form 3m or 3m +1.)

maximum number of columns in which they can march?4. Use Euclid's divi

1.	maximum number of columns in which they can march?4. Use Euclid's division lemma to show that the square of any positive integer is either ofthe form 3m or 3m + 1 for some integer m.(Hint: Letx be any positive integer then it is of the form 34, 3q+1 or 34 +2. Now squareeach of these and show that they can be rewritten in the form 3m or 3m +1.)
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