Jika A = 2/1 5/3 dan B = 5/1 4/1 nilai di terminan (A.B)–¹ adalah.
Matematika
achsyahrul17
Pertanyaan
Jika A = 2/1 5/3 dan B = 5/1 4/1 nilai di terminan (A.B)–¹ adalah.
1 Jawaban
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1. Jawaban Anonyme
jawab
det A = 2(3) - 1(5) = 1
det B = 5(1) - 1(4) = 1
Det (A.B)⁻¹ = det A . det B = 1(1) = 1