Diketahui matriks A:
[tex]\displaystyle{\sf{\left[\begin{array}{ccc}2&4\\5&6\end{array}\right] }}[/tex]
Tentukan |A| (det A)![]()
[tex]\displaystyle{\sf{\left[\begin{array}{ccc}2&4\\5&6\end{array}\right] }}[/tex]
Tentukan |A| (det A)
Penjelasan dengan langkah-langkah:
[tex]\displaystyle{\sf{\left[\begin{array}{ccc}2&4\\5&6\end{array}\right] }}[/tex]
dijawab:
det A = ad - bc
det A = (2 × 6) - (4 × 5)
det A = 12 - 20
det A = -8
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
» Detail Jawaban
Mapel : Matematika
Kelas : Xl
Materi : matrix
Bab : -
Kode Soal : 2
Matriks
[tex]\displaystyle{\sf{\left[\begin{array}{ccc}a&b\\c&d\end{array}\right] = ad - bc}}[/tex]
Maka, det |A|
[tex]» \: \displaystyle{\sf{\left[\begin{array}{ccc}2&4\\5&6\end{array}\right] }}[/tex]
[tex]» \: \rm{ (2)(6) - (4)(5)}[/tex]
[tex]» \: \rm{(2 \times 6) - (4 \times 5) }[/tex]
[tex]» \: \rm{12 - 20 }[/tex]
[tex]» \: \rm{ - 8 }[/tex]
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