Question

if k= 4n + 7, find i^k.
a. -1 b. 1
c. -i d. i

Here, i is iota (Complex Number)
Hope a correct and quick answer from all u geniuses ...​

Answer 1

Answer:

C

Step-by-step explanation:

${i}^{4n + 7} \\ \\ {i}^{4n + 4 + 3} \\ \\ {i}^{4k} \times {i}^{3} \\ \\ - i$