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Unformatted text preview: C . Is the fourth column of C an element of this column space? If so, exhibit this fourth column as a specic linear combination of the rst three columns. If not, explain why not. (e) Change the 5 in the third row, fourth column to 6. Repeat the procedure of 3(d) with this change. (f) Suppose C is the coecient matrix of a homogeneous system. Determine the null space (solution space) of C . 4. Using row reduction, and specifying the operations used, show that the following linear system has a unique solution and determine that solution. x + 2 y + z = 11x + yz =5 4 xy + z = 14 1...
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 Spring '08
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 Math, Equations

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