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यदि tan^(-1).(1)/(2)+tan^(-1).(1)/(k)=(p...

यदि `tan^(-1).(1)/(2)+tan^(-1).(1)/(k)=(pi)/(4)` हो, तो k का मान ज्ञात कीजिये |

लिखित उत्तर

Verified by Experts

The correct Answer is:
`k=3`.
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