oott7512 oott7512 09-01-2024 Mathematics contestada If S1,S2,S3 be the sums of n terms of three arithmetic progressions (AP) and the first term of each AP is 1, and the respective common differences are 1, 2, 3; then S1−S3=?a) nb) n2c) n(n+1)d) n(n+1)(n+2)
