Solve the equation and check your proposed solution.a - 5 = 4
A. -9
B. 1
C. -1
D. 9
Answer: D
Mathematics
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Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.4i
A. 4(cos 90° + i sin 90°) B. 4(cos 180° + i sin 180°) C. 4(cos 270° + i sin 270°) D. 4(cos 0° + i sin 0°)
Mathematics
Find the intersection.{2, 3, 6, 10} ? {4, 7, 11, 12}
A. ? B. {2, 4} C. {3} D. {0}
Mathematics
Combine and simplify, if possible.
- 4
A. -3
B. -3
C. 4
D. 3
Mathematics
Compute the unit binormal vector and torsion of the curve. r(t) = 
A. B(t) = 
, ? = - 
B. B(t) = 
, ? = 
C. B(t) = 
, ? = 
D. B(t) = 
, ? = 
Mathematics