CBSE Class 10 Answered
If the sum of first n,2n and 3n terms of an AP be S1 S2andS3 respectively then p3 S2-S1
Asked by keshavsinghalhapur | 15 Jan, 2024, 10:56: AM
Expert Answer
Let a is first term and d is common difference of A.P.
Sum of n terms is
................................. (1)
Sum of 2n terms is
Where S3 is sum of 3n terms
Answered by Thiyagarajan K | 15 Jan, 2024, 11:45: AM
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