Question

show that there is no positive integer n, for which √n-1 + √n+1 is rational​

Answer 1

Answer:

here n+1 and n-1 are perfect square of positive integer. at least 3. thus there is no positive integer n which and is rational.

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Answer 2

here n+1 and n-1 are perfect square of positive integer. at least 3. thus there is no positive integer n which and is rational.

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