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Question Of The Day

    Let p, q and s integers such that p2 = sq2. Then it follows that

    a) p is an even number;

    b) s is a perfect square;
    c) s divides p;

    d) q2 divides p.

    Ans: b) s is a perfect square;

     

    Since p2 and q2 are perfect square, so ‘s’ must also be a perfect square.

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