Find the cofactor of 1 in the matrix $A = \begin{bmatrix}1 & 3 \\2 & 4 \end{bmatrix}$ | ClassNotes | Ace Your Exams

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Sep 18, 2022

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Find the cofactor of 1 in the matrix $A = \begin{bmatrix}1 & 3 \\2 & 4 \end{bmatrix}$

Difficulty: Easy

A:

$1$

B:

$-1$

C:

$4$

D:

$-4$

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