The sum n term of an A P with first term a and common difference d is
A)Na
B)n/2 [2a +(n-1)d]
C)A + (n-1)d
D)? 1 ? 1

Question

Quizplus · Accepted Answer

The sum of n terms of an arithmetic progression (AP) is given by the formula S_n = n/2 [2a + (n-1)d], where a is the first term, d is the common difference, and n is the number of terms. This formula is derived from the fact that the sum of an arithmetic series can be found by multiplying the average of the first and last term by the number of terms.

The Sum N Term of an a P with First