Find the Cofactor C ₁₂ of the Matrix

question 137

Multiple Choice

Find the cofactor C ₁₂ of the matrix.

• A)C ₁₂ = -3
• B)C ₁₂ = 2
• C)C ₁₂ = 3
• D)C ₁₂ = -2
• E)none of these

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Definitions:

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