Jawab:
matriks
sifat
i) det A = 1/(det A⁻¹)
Penjelasan dengan langkah-langkah:
P. R⁻¹ = Q
(det P) (det R⁻¹) = (det Q)
.
det P = 5(6) - 2(-3)= 30 + 6 = 36
det Q = 3(2) - 4(1) = 6 - 4 = 2
(36) (det R⁻¹) = 2
det R⁻¹ = 2/36
det R = 1/ (det R⁻¹) = 36/2
det R = 18
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Jawab:
matriks
sifat
i) det A = 1/(det A⁻¹)
Penjelasan dengan langkah-langkah:
P. R⁻¹ = Q
(det P) (det R⁻¹) = (det Q)
.
det P = 5(6) - 2(-3)= 30 + 6 = 36
det Q = 3(2) - 4(1) = 6 - 4 = 2
.
(det P) (det R⁻¹) = (det Q)
(36) (det R⁻¹) = 2
det R⁻¹ = 2/36
det R = 1/ (det R⁻¹) = 36/2
det R = 18