Solve the system of equations using the inverse of the coefficient matrix.
A. x = -2, y = -3, z = 3
B. x = 2, y = -3, z = 1
C. x = 2, y = 3, z = 5
D. The system is inconsistent.
Answer: B
Mathematics
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A. 5 cis 180°, 5 cis 0° B. 5 cis 60°, 5 cis 180°, 5 cis 300° C. 5 cis 120°, 5 cis 180°, 5 cis 300° D. 5 cis 30°, 5 cis 150°, 5 cis 270°
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