Math, asked by sejalyadav1912, 7 months ago

sum of 7th term is 49 and sum of 17 term is 289 find the sum of 10 term​

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Answered by ayushchakma17
0

Answer:

Arithmetic Progressions. 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.

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