Matriks A = [[2, 3], [1, 4]]. Berapakah nilai determinan dari invers matriks A, yaitu det(A^-1)?

Answer and explanation

Correct answer: A. 1/5

det(A) = (2 4) - (3 1) = 8 - 3 = 5. Sesuai sifat aljabar linear, det(A^-1) = 1 / det(A) = 1/5.

Practise more Matematika dan Statistika Dasar.

Free questions with an explanation for every one, and full timed Politeknik Statistika STIS mock tests.