Find all cube roots of the complex number. Leave answers in trigonometric form.125i

A. 5 cis 30°, 5 cis 150°, 5 cis 270°
B. 5 cis 60°, 5 cis 180°, 5 cis 300°
C. 1, -1, -i
D. 5 cis 0°, 5 cis 120°, 5 cis 240°


Answer: A

Mathematics

You might also like to view...

Solve the problem.A projectile is fired with an initial velocity of 450 feet per second at an angle of 45° with the horizontal. To the nearest foot, find the maximum altitude of the projectile. The parametric equations for the path of the projectile are  x = (450 cos 45°)t, and y = (450 sin 45°)t - 16t2.

A. 1574 ft B. 1598 ft C. 1565 ft D. 1582 ft

Mathematics

Solve the equation by the Square Root Method.(2x - 3)2 = 81

A. {6, -3} B. {12, -6} C. {3, -6} D. {6, -12}

Mathematics

Simplify.-1 +  19  - (-6) -  3  + (-13)

A. 2 B. 14 C. -10 D. 8

Mathematics

Use the graph to evaluate the function f(x) at the indicated value of x.Find f(1.5). 

A. -1 B. 0.5 C. -2 D. None of these are correct.

Mathematics