Question

prove that √2+√5 is irrational
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Answer 1

p,q are integers then (p²-7q²)/2q is a rational number. Then √10 is also a rational number. But this contradicts the fact that √10 is an irrational number. √2+√5 is an irrational number.

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Prove that (root 2 +root 5 ) is irrational.

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