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algol13
3 years ago
13

Need help with the question in the picture learned awhile ago and forget!

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
7 0

Answer:

-i

Step-by-step explanation:

i^15

Divide the exponent by 4

15/4 = 3 r 3

Take the remainder and use as the exponent

i^3

 We know that i^2 = -1  

i^3 = i^2 *i

i^3 = -1*i

-i

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