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What are the square roots of -3 among complex numbers?
Aplus-minus i
Bplus-minus 3
Cplus-minus i root3
Dplus-minus 3i
Answer & Solution
Correct answer: C. plus-minus i root3
Both (i root3)^2 and (-i root3)^2 equal -3, so the two roots are plus and minus i root3.
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