Question

If i =
$\sqrt{ - 1}$
then
1+i² +i³- i⁶ + i⁸ is equal to

1) 2-i
2) 1
3) 3
4) -1 ​

Answer 1

Answer:

If i =

$\sqrt{ - 1}$

then

1+i² +i³- i⁶ + i⁸ is equal to

1) 2-i

2) 1

3) 3

4) -1