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Dvinal [7]
1 year ago
10

Which expression is a cube root of -1+ i sqrt 3? (multiple choice)

Mathematics
1 answer:
lara31 [8.8K]1 year ago
6 0

Answer:

see below

Step-by-step explanation:

Find the magnitude   (-1)^2  + (sqrt3)^2 = m^2   m = 2

find the angle    arctan (sqrt3/-1) = 120 degrees

the cube root would then be

\sqrt[3]{2}(cos 40 + isin 40)

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<u>What number</u> <u>divided by</u> <u>-7</u> <u>is equal to</u> <u>-15​</u>

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