(3. Prove that the following are irrationals:(ii) 715 – InterviewSolution

1.

(3. Prove that the following are irrationals:(ii) 715

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1/√2 is right answer

by contradiction methodroot 2 is irrationalthe reciprocal of irrational is irrational

2. root 5 is irrational product of rational and irrational is irrational

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