Sum

The nth term of a sequence is 3n – 2. Is the sequence an A.P. ? If so, find its 10^{th} term

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#### Solution

We have a_{n} = 3n – 2

Clearly an is a linear expression in n. So, the given sequence is an A.P. with common difference 3.

Putting n = 10, we get

a_{10} = 3 × 10 – 2 = 28

Concept: Arithmetic Progression

Is there an error in this question or solution?

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