Question

A) Write a as the subject of the formula s=n/2(a+l)? please help .​

Answer 1

AP(Arithmetic progression).

Explanation:

Given formula;

s=n/2(a+l)

Explanation;

Given formula;

s=n/2(a+l)

Explanation;

The given formula is used to calculate the sum of the given AP(Arithmetic progression).

In which;

S = Sum of AP(Arithmetic progression).

n = number of terms in AP(Arithmetic progression).

a = first term of AP(Arithmetic progression).

l = last term of AP(Arithmetic progression).