Solve the equation in the complex number system.x4 - 2x2 - 3 = 0
A. {
i, i}
B. {- 
, 
, i, -i}
C. {-
i, -i}
D. {
, 3}
Answer: B
Mathematics
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Evaluate the integral.
A. 
tan-1 
+ C
B. sin-1 
+ C
C. 
sin-1 
+ C
D. tan-1 
+ C
Mathematics
Tell whether the points are the vertices of a parallelogram (that is not a rectangle), a rectangle, or neither.(-7, -1), (2, -10), (16, -3), (7, 8)
A. Rectangle B. Parallelogram C. Neither
Mathematics
Provide an appropriate response.In an equation, unknown quantities are called:
A. constants B. fraction bars C. symbolic statements D. variables
Mathematics
Add or subtract. Simplify by collecting like radical terms, if possible.
+ 9
+ 5
A. 79
B. -32
C. -79
D. -4
Mathematics