What is the sum of the arithmetic sequence 5, 11, 17 , if there are 24 terms?

bamakhosimz

bamakhosimz

Answered question

2022-09-07

What is the sum of the arithmetic sequence 5, 11, 17 , if there are 24 terms?

Answer & Explanation

zagrebova1c

zagrebova1c

Beginner2022-09-08Added 10 answers

5,11,17...
The formula for the sum of an arithmetic sequence when a 1 , d and n are given is:
S u m = ( n 2 ) [ 2 a + ( n - 1 ) d ]
Here :a1=5, d=6 and n=24
= ( 24 2 ) [ 2 . 5 + ( 24 - 1 ) . 6 ]
=12.[10+23.(6)]
=12.[148]
=1776

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