SOLUTION: Find the power of i. (-i) 42 A). 1 B). None C). 42i D). i E). -i

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Question 713020: Find the power of i.
(-i) 42
A). 1
B). None
C). 42i
D). i
E). -i

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find the power of i.
(-i) 42
-----------
= %28-1%29%5E42%2Ai%5E42
= i%5E42+=+i%5E40%2Ai%5E2+=+i%5E2+=+-1