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OpenStudy (anonymous):
What is the solution of the matrix equation [9,4_2,1] X= [-9,-6_-1,-8]
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OpenStudy (zarkon):
whats with the underscores
OpenStudy (zarkon):
you mean ... \[\left[\begin{array}{cc} 9 & 4 \\ 2 & 1 \\ \end{array}\right]X=\left[\begin{array}{cc} -9 & -6 \\ -1 & -8 \\ \end{array}\right]\]?
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