The sum of the first \( n \) terms of two arithmetic series are in the ratio \( (7 n+1):(4 n+27).... VIDEO
The sum of the first \( n \) terms of two arithmetic series are in the ratio \( (7 n+1):(4 n+27) \). The ratio of theirhttps://bit.ly/YTAI_PWAP https://www.pw.live
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