Compute AB, if possible.A = 
and B = 
A. 
B. 
C. not possible
D. 
Answer: B
Mathematics
You might also like to view...
Divide using long division.
A. m2 + 7m + 8 B. 6m2 - 6m + 3 C. m2 + 6m + 6 D. 6m2 + 6m + 3
Mathematics
Find the volume.
A. 168
ft3
B. 18
ft3
C. 62
ft3
D. 187 ft3
Mathematics
Matrix A is given. Find appropriate identity matrices Im and In such that ImA = A and AIn = A.A = 
A. Im = In = 
B. Im = 
, In = 
C. Im = In = 
D. Im = 
, In = 
Mathematics
Use Cramer's rule to solve the system.-4x - 7y + 2z = -65-2x + 7y + 7z = 80 6x - 7y - 2z = -57
A. {(2, 9, 3)} B. {(2, -9, -3)} C. {(9, 3, 9)} D. {(3, 7, 3)}
Mathematics