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cot(sum(n=1)^(23) cot^(-1) (1 + sum(k=1)...

`cot(sum_(n=1)^(23) cot^(-1) (1 + sum_(k=1)^(n) 2k)) ` का मान है -

A

`23/25`

B

`25/23`

C

`23/24`

D

`24/23`

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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