यदि sin^(-1) x + tan^(-1) x = (pi)/(2), ...

यदि `sin^(-1) x + tan^(-1) x = (pi)/(2)`, तो सिद्ध कीजिए कि - `2x^(2) = sqrt(5) - 1`

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The correct Answer is:

`implies 2x^(2) = sqrt(5) - 1`

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