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3 years ago

If i = the square root of -1, what is the value of i³? A. -1 B. i C. 1 D.-i ?

Mathematics

2 answers:

mezya [45]3 years ago

7 0

I=√-1
i^3=(√-1)^3

(√-1)^3=((√-1)^2)(√-1)=(-1)(√-1)=-√-1 or since i=√-1
-i is answer

D is answer

Inessa [10]3 years ago

5 0

Easy
i=√-1
i^3=(√-1)^3

(√-1)^3=((√-1)^2)(√-1)=(-1)(√-1)=-√-1 or since i=√-1
-i is answer

D is answer

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Read 2 more answers