Question

A sequence is defined recursively.Write down the first five terms.

Answer 1

Step 1 :

The defined sequence is .

The first term of the sequence is .

The second term of the sequence is .

To get the third term of the sequence requires that we know both of the the previous two terms.

That is,
,

,

,

and

.

The first five terms of the sequence are , , , and .

Solution :

The first five terms of the sequence are , , , and .