Use DeMoivre's Theorem to find the following. Write your answer in standard form.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Solve the problem.
Find the ratio of the volume of the cylinder to the volume of the hemisphere, given that the height, h, of the cylinder is equal to the diameter, d, of the hemisphere.
A. 3 : 2 B. 3 : 4 C. 2 : 3 D. 3 : 1
Mathematics
Find the roots of the equations.
= 
A. 
B. 
C. 
D. 12
Mathematics
Find the vertex, the focus, and the directrix of the parabola.y = -3x2 + 12x - 8 = 0
A. V: 
; F: 
; D: x = 
B. V: 
; F: (2, -8); D: x = -16
C. V: (2, 4); F: 
; D: y = 
D. V: 
; F: (2, 1); D: x = 7
Mathematics
Multiply and simplify.27 ? 
A. 
B. 81
C. 
D. 9
Mathematics