SOLUTION: Find the three cube roots of 125. Show all work. Express exact answers in polar point form. Thanks!
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Question 280696
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Find the three cube roots of 125. Show all work. Express exact answers in polar point form. Thanks!
Answer by
richwmiller(17219)
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+5 is the only real cube root of 125
x = 5/2 (-1-i sqrt(3))
x = 5/2 (-1+i sqrt(3))
x=-2.5-4.33013i
x=-2.5+4.33013i