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If Sn=cot−1(5√3)+cot−1(9√3)+cot−1(15√3)+cot−1(23√3)+⋯ upto n terms, then |
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Answer» If Sn=cot−1(5√3)+cot−1(9√3)+cot−1(15√3)+cot−1(23√3)+⋯ upto n terms, then |
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