Asked by Maxence Wallart
Hello, i need help to calcul:
( 1/2 ( -1 + i^3 )) ^2
Thanks for your help.
( 1/2 ( -1 + i^3 )) ^2
Thanks for your help.
Answers
Answered by
Reiny
(1/2) (-1+i^3)^2
= (1/2) (1 - 2i^3 + i^6)
now:
i^2 = -1
i^3 = i i^2 = -i
i^6 = (i^3)^2 = i^2 = -1
so back...
= (1/2) (1 - 2(-i) + (-1) )
= (1/2) (2i)
= i
= (1/2) (1 - 2i^3 + i^6)
now:
i^2 = -1
i^3 = i i^2 = -i
i^6 = (i^3)^2 = i^2 = -1
so back...
= (1/2) (1 - 2(-i) + (-1) )
= (1/2) (2i)
= i
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.