Solve the equation.
- 
= 
A. {5}
B. {-4}
C. ?
D. {4}
Answer: C
Mathematics
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Evaluate the determinant by expansion by minors.
A. -15 B. -34 C. 15 D. -64
Mathematics
Integrate the function.
A. tan-1 
- tan-1 
B. sin-1 
- sin-1 
C. 
tan-1 
- 
tan-1 
D. 
tan-1 
Mathematics
Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Cube roots of 3 - 3i
A. 
(cos 100° + i sin 100°), 
(cos 220° + i sin 220°), 
(cos 340° + i sin 340°)
B. 
(cos 60° + i sin 60°), 
(cos 180° + i sin 180°), 
(cos 300° + i sin 300°)
C. 
(cos 100° + i sin 100°), 
(cos 220° + i sin 220°), 
(cos 340° + i sin 340°)
D. 
(cos 80° + i sin 80°), 
(cos 200° + i sin 200°), 
(cos 320° + i sin 320°)
Mathematics
Perform the indicated operation.2 + 
A. 
B. 
C. 
D. 
Mathematics