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01-04-2024
Mathematics

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What three elimination matrices E₂₁,E₃₁,E₃₂ put A into its upper triangular form E₃₂E₃₁E₂₁A=U?
a. E_(21)⁻¹
b. E_(31)⁻¹
c. E_(32)⁻¹
d. All of the above

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