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If the sum of 7 terms …

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If the sum of 7 terms of A.P is 49 and that of 17 terms is 289. Find the sum of n terms

    • Posted by Sangeeta Nunaiya 6 years ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Gourisankaran M. P 6 years ago

    D=2,a=1 sum of n terms=n^2

    0Thank You

    Aadya Singh ? 6 years ago

    n^2.

    5Thank You

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