Determinan matriks AB yakni …
Pembahasan:
A = ⎡3 2⎤ B = ⎡3 2⎤
⎣2 2⎦ ⎣2 2⎦
Determinan matriks AB
det AB = det A . det B
= (3.2 – 2.2)(1.3 – 1.2)
= (6 – 4)(3 – 2)
= 2
Kabar Masyarakat, Gaya Santai
Determinan matriks AB yakni …