Answer
$a_1=2 \\ a_2=0 \\ a_3=2 \\ a_4=0 \\ a_5=2$
Work Step by Step
We are given:
$a_n=2-a_{n-1}$ and $a_1=2$
In order to determine the remaining values, we will have to substitute $n=2,3,4,5$ into the given sequence.
$a_2=2-a_1=2-2=0 \\ a_3=2-a_2=2-0=2 \\ a_4=2-a_3=2-2=0 \\ a_5=2-a_4=2-0=2$
