Question

Find the 25th term of an arithmetic progression: 2, 5, 8 ... a. 1900 b. 1650...

Find the 25th term of an arithmetic progression: 2, 5, 8 ...

a. 1900

b. 1650

c. 950

d. 630

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

The arithmetic progress of: 2, 5, 8

has 1st term = 2

difference d = 3 (5-2)

To find the nth term of an AP we use the forumla

We need to find the 25th term so we substitute n = 25 and the rest of the

This matches to none of the options but I think what you mean to ask is the sum of first 25 terms.

The formula for that is

Again sub n = 25

Option c

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