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OpenStudy (anonymous):
what will be the dimensions of the coefficient matrix? {x+z=5 3y+z=1 2x-z=8
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OpenStudy (anonymous):
Three equations, three unknowns, 3x3
OpenStudy (goformit100):
|dw:1342577647616:dw|
OpenStudy (anonymous):
Nope, not that. There are three unknowns, not two.
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