Step 1 :A square matrix is invertible if and only if its determinant is not zero. So, to determine if matrix A is invertible, we need to calculate its determinant. If the determinant is not zero, then the matrix is invertible. If the determinant is zero, then the matrix is not invertible.
Step 2 :Matrix A is given by \[ A = \begin{bmatrix} 2 & -3 & 2 \\ 2 & 3 & -4 \\ -2 & -6 & 7 \end{bmatrix} \]
Step 3 :Calculate the determinant of matrix A, \(\text{det}_A\)
Step 4 :The determinant of matrix A is approximately zero, which means that matrix A is not invertible.
Step 5 :\(\boxed{\text{Matrix A is not invertible because its determinant is approximately zero}}\)