Question

In Problems 10 and 11, a sequence is defined recursively. Write down the first five terms.

10. a1=3; an=4-an-1
11. a1=1; a2=2; an=-1 *an-2

Answer 1

Explanation:

10. a1=3, a2=1, a3=3, a4=1, a5=3

11. a3=2x1=2, a4=2x2=4, a5=4x2=8

hope that helps :)