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0 votes
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in Mathematics by (33.0k points)

In an AP, the first term is 2, the last term is 29 and the sum of all the terms is 155. Find the common difference.

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Best answer

Here, a = 2, l = 29 and Sn  = 155

Let d be the common difference of the given AP and n be the total number of terms.

Thus, the common difference of the given AP is 3.

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