Page 14 - Elementary_Linear_Algebra_with_Applications_Anton__9_edition
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Add −1 times the second equation to the first to obtain Add −1 times the second row to the first to obtain
Add times the third equation to the first and times the Add times the third row to the first and times the
third equation to the second to obtain third row to the second to obtain
The solution , , is now evident.
Exercise Set 1.1
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Which of the following are linear equations in , , and ?
1.
(a)
(b)
(c)
(d)
(e)
(f)
Given that k is a constant, which of the following are linear equations?
2.
