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# The resulting matrix x is of size since x is square

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Unformatted text preview: rst row to the last row Now add the negative of the second row to the third row to obtain ________________________________________________________________________ page 353 —————————————————————————— CHAPTER 7. —— We end up with an equivalent linear system Hence the unique solution of the given system of equations is 7. Write the given vectors as columns of the matrix X It is evident that X . Hence the vectors are linearly dependent. In order to find a linear relationship between them, write x x x 0 The latter equation is equivalent to . Performing elementary row operations, We obtain the system of equations Setting , it follows that and x x Hence x 0 9. The matrix containing the given vectors as columns is X ________________________________________________________________________ page 354 —————————————————————————— CHAPTER 7. —— We find that X . Hence the given vectors are linearly indepen...
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