If i= √-1 , what is the value of i^3
A. -1
B. i
C. 1
D. -i

Answer:
The choice D. – i
Step-by-step explanation:
[tex]i \times i \times i = \sqrt{ - 1} \times \sqrt{ - 1} \times \sqrt{ - 1} \\ = - 1 \times \sqrt{ - 1} \\ = - i[/tex]
I hope I helped you^_^