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Show that every positive integer can …

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Show that every positive integer can be written in the form of 3m+r,where m and r are postive integer what value of r take
  • 1 answers

Gaurav Seth 6 years, 11 months ago

By Euclid division Lemma,given two positive integers a and b, there exist
unique integers m and r satisfying

a = bm + r, 0 ≤ r < b.

Let b=3
Then r can be 0,1,2
Then By Euclid division lemma as

a can be 3m or 3m+1 or 3m+2.

Thus,every positive integer can be written in the form 3m+r,where r = (0,1,2)
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