Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,459 questions

17,854 answers

1,446 comments

811,131 users

If the 9th term of an A.P. is 3n+2,find its common diffrence

0 votes
Find its common diffrence.
asked Mar 11, 2014 in BASIC MATH by chrisgirl Apprentice

1 Answer

0 votes

Given : image term of the A.P = 3n + 2.

Then, image term of the A.P = 3(n - 1) + 2.

Let d  be the common difference of A.P.

Common difference .

image

image

.

Therefore, the common difference of A.P is 3.

answered Apr 12, 2014 by lilly Expert

Related questions

...