Question

3. Prove that sum of the first sums
of an aithmetic sequence and sum
of next
sums of same sequence
is diffen by D² d. where d is the common
difference​

Answer 1

Answer: The formula to find the sum of the first n terms of our sequence is n divided by 2 times the sum of twice the beginning term, a, and the product of d, the common difference, and n minus 1.

Explanation: The n stands for the number of terms we are adding together.