If the ratio of sum of the first m and n terms of an AP is m^2 :n^2, show that the ratio of its mth and nth terms is (2m - 1) ; (2n - 1).

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answered Feb 2, 2018 by Vikash Kumar (144,729 points)
edited Feb 2, 2018 by Vikash Kumar

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If the ratio of sum of the first m and n terms of an AP is m^2 :n^2, show that the ratio of its mth and nth terms is (2m - 1) ; (2n - 1).

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