Question
(a) Prove that if n is a positive integer such that n 3 mod 4,then n cannot be written as the sum of two squares
(a) Prove that if n is a positive integer such that n 3 mod 4,then n cannot be written as the sum of two squares of integers.
(b) Prove or disprove the converse of the statement in part(a).
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Discrete Mathematics and Its Applications
Authors: Kenneth H. Rosen
7th edition
0073383090, 978-0073383095
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