Question

Evaluate i^15 i^12
Show work

Answer 1

Answer: 15 = -i & 12=1

use the pattern : i, -1, -i, 1

Explanation:

i =
`√(-1)`

`i^(2)` =
`√(-1)`

`i^(3)` =
`√(-1)`

`i^(4)` =
`√(-1)`

the pattern just repeats from here

5 = i

6 = -1

7 = -i

8 = 1

9 = i

10 = -1

11 = -i

12 = 1

13 = i

14 = -1

15 = -i

16 = 1