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

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Find its common diffrence.

ap
common-diffrence

asked Mar 11, 2014 in BASIC MATH by chrisgirl Apprentice

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1 Answer

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

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

Let d be the common difference of A.P.

Common difference .

.

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

answered Apr 12, 2014 by lilly Expert

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