Prove that root 5 + root 7 is irrational

1.	Prove that root 5 + root 7 is irrational
Answer» Let \xa0is a rational numberWhere p/q are co-prime and q≠0Squaring both sides,Since,\xa0\xa0is rational is a contradiction.Therefore, our assumption is wrong.\xa0is an irrational number.

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