5 For an arithmetic sequence with common difference ' d ', prove that the difference between the sum - Maths - Arithemetic Sequences

Question

5 For an arithmetic sequence with common difference ' d ', prove
that the difference between the sum of the first n terms and that
of the next n terms is n2d

Decoder_2 · Accepted Answer

5. For an arithmetic sequence with common difference ' d ', prove that the difference between the sum of the first n terms and that of the next n terms is n2d .

5. For an arithmetic sequence with common difference ' d ', prove that the difference between the sum of the first n terms and that of the next n terms is n²d .