Find all cube roots of the complex number. Leave answers in trigonometric form.-125i
A. 5 cis 90°, 5 cis °210, 5 cis 330°
B. 5 cis 30°, 5 cis °60, 5 cis 90°
C. 5 cis 90°, 5 cis °180, 5 cis 270°
D. 5 cis °210, , 5 cis 270°, 5 cis 330°
Answer: A
Mathematics
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A. 2
B. 
C. 
D. 16
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Simplify. Completely evaluate any number with an exponent for the final answer.
3, s ? 0
A. 
B. 
C. 
D. 
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Find the foci of the given hyperbola.25x2 - y2 = 25
A. (0, 
), (0, -
)
B. (5, 0), (-5, 0)
C. (
, 0), (-
, 0)
D. (0, 5), (0, -5)
Mathematics