Question

1. Find the sum of first 24 terms of the AP 5, 8, 11, 14,.......​

Answer 1

Step-by-step explanation:

s=n(n-1)

2

24(24-1)

2

12×23

576

Answer 2

Answer:

Here a=5,d=8-5=3,and n=24,

We have an=a+(n-1)d

A24=5+(24-1)*3

An24=5+23*3=74 ans

Step-by-step explanation: