Maths-

General

Easy

Question

# Write recursive formula and find the first term.

Hint:

- Recursive Formula is a formula that defines the each term of sequence using the previous/preceding terms.

## The correct answer is: a_(n-1)=a_n-12.

### Explanation:

- We have given a explicit function .
- We have to find the recursive formula and first term.

Step 1 of 2:

We have given explicit formula .

First term will be

Step 2 of 2:

Now for recursive formula we will calculate a_{n-1}.

So,

.

Step 2 of 2:

Now for recursive formula we will calculate a

_{n-1}.

So,

.

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