TEST BANK FOR Linear Algebra with Applications 5th Edition By Otto Bretscher Converted
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Exam (elaborations) TEST BANK FOR Linear Algebra with Applications 5th Edition By Otto Bretscher (Solution Manual)-Converted
- Exam (elaborations) • 444 pages • 2021
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Section 1.1
1.1.1
x + 2y = 1
2x + 3y = 1
−2 × 1st equation →
x + 2y = 1
−y = −1
÷(−1) →
x + 2y = 1
y = 1
−2 × 2nd equation
→
x = −1
y = 1
, so that (x, y) = (−1, 1).
1.1.2
4x + 3y = 2
7x + 5y = 3
÷4
→
x + 3
4y = 1
2
7x + 5y = 3
−7 × 1st equation →
x + 3
4y = 1
2
−1
4y = −1
2
×(−4) →
x + 3
4y = 1
2
y = 2
−3
4 × 2nd equation →
x = −1
y = 2
,
so that (x, y) =...
Exam (elaborations)
Exam (elaborations) TEST BANK FOR Linear Algebra with Applications 5th Edition By Otto Bretscher (Solution Manual)-Converted
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ago
Section 1.1 1.1.1 x + 2y = 1 2x + 3y = 1 −2 × 1st equation → x + 2y = 1 −y = −1 ÷(−1) → x + 2y = 1 y = 1 −2 × 2nd equation → x = −1 y = 1 , so that (x, y) = (−1, 1). 1.1.2 4x + 3y = 2 7x + 5y = 3 ÷4 → x + 3 4y = 1 2 7x + 5y = 3 −7 × 1st equation → x + 3 4y = 1 2 −1 4y = −1 2 ×(−4) → x + 3 4y = 1 2 y = 2 −3 4 × 2nd equation → x = −1 y = 2 , so that (x, y) =...
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