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Beyond Horizon Set 1 Paper 2 · Q7

Paper 2Algebra

Let p,q,sp,q,s be integers with q≠0q\ne0 such that p2=sq2p^2=sq^2. Then it follows that:

App is an even number;
Bif ss divides pp, then ss is a perfect square;
Css divides pp;
Dq2q^2 divides pp.

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