Find the inverse of the matrix. left bracket Start 2 By 2 Matrix 1st Row 1st Column 6 2nd Column 8 2nd Row 1st Column 5 2nd Column 4 EndMatrix right bracket Question content area bottom Part 1 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The inverse matrix is enter your response here. (Type an integer or simplified fraction for each matrix element.) B. The matrix is not invertible