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यदि tan^(-1) (x - 1)/(x - 2) + tan^(-1) ...

यदि `tan^(-1) (x - 1)/(x - 2) + tan^(-1) (x + 1)/(x + 2) = (pi)/(4)` तो x का मान ज्ञात कीजिए ।

लिखित उत्तर

Verified by Experts

The correct Answer is:
`implies x = +- (1)/(sqrt(2))`
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