0000:00:00:00:00Mulai13Nomor 13PembahasanDiketahui matriks A=(3y5−1)A = \begin{pmatrix} 3 & y \\ 5 & -1 \end{pmatrix}A=(35y−1), B=(x5−36)B = \begin{pmatrix} x & 5 \\ -3 & 6 \end{pmatrix}B=(x−356), dan C=(−3−1y9)C = \begin{pmatrix} -3 & -1 \\ y & 9 \end{pmatrix}C=(−3y−19) Jika A+B+C=(85x−x−4)A + B + C = \begin{pmatrix} 8 & 5x \\ -x & -4 \end{pmatrix}A+B+C=(8−x5x−4), nilai dari x+2xy+y=....x + 2xy + y = ....x+2xy+y=....222222111111888777555
13Nomor 13PembahasanDiketahui matriks A=(3y5−1)A = \begin{pmatrix} 3 & y \\ 5 & -1 \end{pmatrix}A=(35y−1), B=(x5−36)B = \begin{pmatrix} x & 5 \\ -3 & 6 \end{pmatrix}B=(x−356), dan C=(−3−1y9)C = \begin{pmatrix} -3 & -1 \\ y & 9 \end{pmatrix}C=(−3y−19) Jika A+B+C=(85x−x−4)A + B + C = \begin{pmatrix} 8 & 5x \\ -x & -4 \end{pmatrix}A+B+C=(8−x5x−4), nilai dari x+2xy+y=....x + 2xy + y = ....x+2xy+y=....222222111111888777555
