Friday, June 14, 2024

Soal Matematika Kelas XII no 10

10. Invers dari matriks K =




Jawaban :
a = 1
b = 1
c = 4
d = -2

det A = ad - bc
det A = 1. (-2) - 1 . 4
det A =  -2 - 4
det A = - 6

invers :


Jawaban : E



 

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