If the sums of \( n \) terms of two A.P.s are in the ratio \( (7 n+1):(4 n+27) \), then the rati...

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If the sums of \( n \) terms of two A.P.s are in the ratio \( (7 n+1):(4 n+27) \), then the ratio of their \( n^{\text {th }} \) terms is
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