Soal Simulasi Ujian IPS Kelas 12
Tahun 2018Soal Pilihan Ganda
11. Diketahui matriks :
Jika N=AB, invers matriks N yakni ...
A.
Jawaban : B
N =A B
invers N ?
determinan AB = 4 . -5 - (7 . -3)
determinan AB = -20 + 21
determinan AB = 1
invers N :
N =A B
determinan AB = 4 . -5 - (7 . -3)
determinan AB = -20 + 21
determinan AB = 1
invers N :
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