[ M ] Let b = [ − 7 − 7 13 − 5 ] and let A be the matrix in Exercise 38. Is b in the range of the transformation x ↦ A x ? If so, find an x whose image under the transformation is b . 38. [ − 9 − 4 − 9 4 5 − 8 − 7 6 7 11 16 − 9 9 − 7 − 4 5 ]
[ M ] Let b = [ − 7 − 7 13 − 5 ] and let A be the matrix in Exercise 38. Is b in the range of the transformation x ↦ A x ? If so, find an x whose image under the transformation is b . 38. [ − 9 − 4 − 9 4 5 − 8 − 7 6 7 11 16 − 9 9 − 7 − 4 5 ]
Solution Summary: The author explains the three basic elementary row operations: Replace one row by the sum of itself and a multiple of another row.
[M] Let
b =
[
−
7
−
7
13
−
5
]
and let A be the matrix in Exercise 38. Is b in the range of the transformation x ↦ Ax? If so, find an x whose image under the transformation is b.
Linear Algebra and Its Applications plus New MyLab Math with Pearson eText -- Access Card Package (5th Edition) (Featured Titles for Linear Algebra (Introductory))
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