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OpenStudy (anonymous):
x + 4y +14z =4 5x + 21y + 74z=20 3x + 9y + 30z=12
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OpenStudy (anonymous):
Not sure about this one.... Row 2 is a scalar multiple of row 2 so you get 0 1 4 0 when you try to row reduce and I think that means...there is not set of solutions...
OpenStudy (anonymous):
z is a free variable but I don't think it matters when you don't have a set of solutions.
OpenStudy (anonymous):
it says there are infinite solutions with one arbitrary paramater
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