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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Soal Matematika Wajib Kelas X no 29 Penilaian Tengah Semester Genap SMA
29. f(x) = 2x - 5 f(3) ? Jawab :
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