Math, asked by chiragbishnoi958, 3 months ago

General team formula is

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Answered by Anonymous

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Explain. Use the formula for the nth partial sum of an arithmetic sequence Sn=n(a1+an)2 and the formula for the general term an=a1+(n−1)d to derive a new formula for the nth partial sum Sn=n2[2a1+(n−1)d].

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General team formula is​

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General team formula is