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यदि alpha =2 tan^(-1)((1+x)/(1-x)) व be...

यदि `alpha =2 tan^(-1)((1+x)/(1-x))` व `beta = sin^(-1) ((1-x^(2))/(1+x^(2))), 0 lt x lt 1` है, तो सिद्ध कीजिये `alpha + beta = pi` है |

लिखित उत्तर

Verified by Experts

The correct Answer is:
`-pi`
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