Question

The sum of first 10 terms of an arithmetic sequence is 250 and the sum of first terms 592. (a)write down the algebraic expression of sequence.
(b)write the algebraic expression of the sum of the sequence.​

Answer 1

Answer:

The Sum Formula

The formula says that the sum of the first n terms of our arithmetic sequence is equal to 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. The n stands for the number of terms we are adding together.

Step-by-step explanation:

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