Perform the matrix operation.Let A = 
. Find 3A.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the angle between u and v in radians.u = -2j and v = 9i - 7k
A. 0.00 B. 1.57 C. 0.09 D. 1.66
Mathematics
Simplify, if possible.
A. - 
B. -1
C. - 
D. 
Mathematics
Find the real solutions of the equation.(x + 3)1/3 = -2
A. {-9} B. {-11} C. {1} D. no real solution
Mathematics
Solve the equation in the real number system.x4 - 8x3 + 16x2 + 8x - 17 = 0
A. {-4, 4} B. {-1, 4} C. {-1, 1} D. {-4, 1}
Mathematics