Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.2x + 8y + 6z = 204x + 2y - 2z = -23x - y + z = 11
A. {(2, -1, 4)}
B. {(-1, 2, 1)}
C. {(2, 1, 6)}
D. ?
Answer: A
Mathematics
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- 3i
A. 6
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