Exercise 2.2.23

Answers

If ordinary elimination leads to x + y = 1 and 2y = 3, the original second equation could be 2y + ℓ(x + y) = 3 + ℓ for any ℓ. Then ℓ will be the multiplier to reach 2y = 3, by subtracting ℓ times equation 1 from equation 2 .

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2021-11-20 15:07
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