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May 24, 2015

Homework Help: maths

Posted by mdan on Tuesday, October 15, 2013 at 11:54am.

Write the system as a matrix equation and solve using inverses.

x1 + 2x2 - x3 = -3
-2x1 - x2 + 3x3 = 0
-4x1 + 4x2 - x3 = -12
A. x1 = 2, x2 = -3, x3 = 1
B. x1 = 1, x2 = -2, x3 = 1
C. x1 = 1, x2 = -2, x3 = 0
D. x1 = 1, x2 = -3, x3 = 1

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