Find the determinant of the matrix M = = aet() = 3+2x -8 - 2x +...

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Find the determinant of the matrix M = = aet() = −3+2x³ -8 - 2x² + 4x³ 1+x² − 2x³ −4+ 12x² M- -x and use the adjoint method to find M-¹. −2+6x² OO 0 0 -2 - 3x² O 0 Find the determinant of the matrix M = = aet() = −3+2x³ -8 - 2x² + 4x³ 1+x² − 2x³ −4+ 12x² M- -x and use the adjoint method to find M-¹. −2+6x² OO 0 0 -2 - 3x² O 0