3. ) Use the PLU decomposition to solve the system for x x1 - x₂ = 3 x₁ + 2x₂ + x3 = -3 2x₁ + 3x2 + 2x3 = -5

Q: What if a1=16

A: Same procedure as before.

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A: please see the STEP 2 for Details

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A: Please check the next step for details.

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