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Find the three cube roots of -343i. (Give your answers in the form a + bi, where a and b are real numbers. Enter your answers

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Answer. Given - 3431 -34zi 343 (Co$ 278 +isinezo In polar for theorem, one of using Demaures cube roots 270 343 cos/270 3 ==> 7 (cos (210 + 120) + isin (210 +128)) 7(8 330 + isin 330) +(-) 11 -70 753 zi -73 - 7 => zi, 713-7i 2

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