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Exercise 3.2.25

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If $N (A) =$ line through $x = (2, 1, 0, 1), A$ has three pivots (4 columns and 1 special solution). Its reduced echelon form can be $R = [\begin{matrix} 1 & 0 & 0 & - 2 \\ 0 & 1 & 0 & - 1 \\ 0 & 0 & 1 & 0 \end{matrix}]$ (add any zero rows).

mathchakra

2022-01-23 13:46

Exercise 3.2.25

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