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CBSE Class 10 Answered

THE SUM OF n, 2n, 3n TERMS OF AN AP ARE S1, S2, S3 RESPECTIVELY. PROVE THAT S3=3(S2-S1)
Asked by | 22 Feb, 2013, 08:59: PM
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Answered by | 22 Feb, 2013, 09:28: PM

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CBSE 10 - Maths
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