Prove that rootp +rootq is irrational
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let assume that √p+√q rational number
√p+√q=a/b
squaring on both sides
(√p+√q)square=(a/b)square
p+q+2√pq=asquare/bsquare
√p+√q=a/b
squaring on both sides
(√p+√q)square=(a/b)square
p+q+2√pq=asquare/bsquare
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