Tolong Yaaa... Besok KumpuL

det P = (2 × 3 ×(-1) ) + (-1 × (-2) × (-3)) + (1 × 4 × 1) - ((-3 × 3 × 1) + (1 × (-2) × 2) + (-1 × 4 × (-1))
det P = (-6 - 6 + 4) - (-9 - 4 + 4) = -8 - (-9) = -8 + 9 = 1
Invers P = 1/det P × (adj)
Invers P = 1/1 ×
lnjutin ya