(a)

The recursive sequence is for , , .

Therefore .

Substitute in the above recursive sequence formula.

At ,

Recursive sequence: .

Substitute and in the above equation.

At :

Substitute and in the above equation.

At :

Substitute and in the above equation.

At :

Substitute and  in the above equation.

At :

Substitute and in the above equation.

At :

Substitute and in the above equation.

Eight terms of recursive seqence are  , , , , , , and .

(b)

Numerical:

The other recursive sequences, the terms in this sequence depend on previous terms.

For this recursive sequence, the terms need not only on previous terms but also present terms.

(a)

Eight terms of recursive seqence are  , , , , , , and .

(b)

The other recursive sequences, the terms in this sequence depend on previous terms.

For this recursive sequence, the terms need not only on previous terms but also present terms.