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asked in Mathematics by (49.6k points)

The ratio of the sums of m and n terms of an AP is m2 :n2. Show that the ratio of the mth and nth terms is (2m -1): (2n - 1).

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+1 vote
answered by (157k points)
Best answer

Let a be the first term and d the common difference of the given AP. Then, the sums of m and n terms are given by

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