Question

Consider the sequence 2, 5, 10, 17, ...

What is the value of a4?

2

5

10

17

Answer 1

a4 means the 4th number
so it is 17

Answer 2

The answer is
`a4=17`

Explanation:

we have the sequence

`2,5,10,17,...`

Let

a1-----> the first term

a2----> the second term

a3----> the third term

a4----> The fourth term

In this problem we have

`a1=2`

`a2=5`

`a3=10`

`a4=17`

therefore

the answer is

`a4=17`