Math, asked by kajalkumarikumari482, 7 months ago

if the sum of first seven terms of an ap is 49 that seventh term is 289 find the sum ​

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Answered by intelligentmind67
5

Answer:

If the sum of first 7 terms of an AP is 49 and that of 17 terms is 289, find the sum of first n terms. Here S7 = 49, S17 = 289 Let 'a' be the first term and 'd' the common difference. ... Here the total istance the compatitar has to sum = 370 m.

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