In Exercises 15-16, each linear system has infinitely many solutions. Use parametric equations to describe its solution set. 15. a. 2x - 3y = 1 6x9y = 3 b. x1 X₁ + 3x₂ = x3 = -4 3x₁ + 9x₂ 3x3 = -12 -X₁ - 3x₂ + x3 = 4

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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In Exercises 15-16, each linear system has infinitely many solutions.
Use parametric equations to describe its solution set.
15. a. 2x - 3y = 1
6x9y = 3
b.
x1
X₁ + 3x₂ = x3 = -4
3x₁ + 9x₂ 3x3 = -12
-X₁ - 3x₂ + x3 =
4
Transcribed Image Text:In Exercises 15-16, each linear system has infinitely many solutions. Use parametric equations to describe its solution set. 15. a. 2x - 3y = 1 6x9y = 3 b. x1 X₁ + 3x₂ = x3 = -4 3x₁ + 9x₂ 3x3 = -12 -X₁ - 3x₂ + x3 = 4
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