Write the adjoint of the matrix `A=[(-3, 4),(7,-2)]` .

Explanation

To find the adjoint of the matrix \( A = \begin{pmatrix} -3 & 4 \\ 7 & -2 \end{pmatrix} \), we will follow these steps:

### Step 1: Find the Minors of the Matrix
The minor \( M_{ij} \) of an element \( a_{ij} \) is the determinant of the matrix that remains after removing the \( i \)-th row and \( j \)-th column.

- **Minor \( M_{1,1} \)** (remove 1st row, 1st column):
\[
M_{1,1} = \text{det} \begin{pmatrix} -2 \end{pmatrix} = -2
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