Maths-

General

Easy

Question

# Write an explicit formula for the arithmetic sequence.

Hint:

- A sequence is said to be arithmetic if the common difference is always constant.
- The General formula of any AP is .

## The correct answer is: a_n =13-3n

### Explanation:

- We have given an = an - 1 - 3 and a1 = 10
- We have to find the explicit formula for this AP.

Step 1 of 1:

We know that the common difference d is also equal to

Now in given question we have

Ie,

And a_{1} = 10

So, The explicit formula will be

_{1}= 10

So, The explicit formula will be

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