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Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 5 - Arithmetic Progressions > If the sum of first 7 terms of an AP is 49 and that of 17 term is 289 find the sum of first n terms.

If the sum of first 7 terms of an AP is 49 and that of 17 term is 289 find the sum of first n terms.

October 4, 2020
Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,

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