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Question

Solve:
$m n = \frac{1}{(3 - \sqrt{8}) \times (3 + \sqrt{8})}$ .

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Solution

Verified by Toppr

Applying the identity,
$m n = \frac{1}{(3 - \sqrt{8}) \times (3 + \sqrt{8})} = \frac{1}{9 - 8} = 1$ .

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