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If the ratio of the sums of m terms and ...

If the ratio of the sums of m terms and n terms of an A.P. be `m^(2) : n^(2)`, prove that the ratio of its `m^(th)` and `n^(th)` terms is `(2m-1) : (2n-1)`.

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The correct Answer is:
`= (2m-1)/(2n-1)`
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