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The value of limn→∞1⋅2+2⋅3+3⋅4+⋯+n(n+1)][1−cos(2/n)]n is |
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Answer» The value of limn→∞1⋅2+2⋅3+3⋅4+⋯+n(n+1)][1−cos(2/n)]n is |
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