Find the indicated matrix.Let B = [-1 5 5 -3]. Find -4B.
A. [4 -20 -20 12]
B. [-4 20 20 -12]
C. [-3 3 3 -5]
D. [4 5 5 -3]
Answer: A
Mathematics
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Find the triple scalar product (u x v) ? w of the given vectors.u = -5i - 3j + 4k; v = 4i - 8j + 8k; w = 6i - 10j - 7k
A. -1092 B. 28 C. -420 D. -876
Mathematics
Find the angle between u and v in radians.u = -5i - 7j, v = 4i + 5j + 9k
A. 1.86 B. 1.58 C. 2.19 D. -0.62
Mathematics
Integrate the function.
A. 
sin-1 
x + C
B. 
sin-1 
x + C
C. 
sec-1 
x + C
D. 
sec-1 
x + C
Mathematics
Write the following angles in degrees and minutes. Round your anwer to the nearest minute.64.25°
A. 64°75' B. 64°15' C. 64°25' D. 64°50'
Mathematics