Question

Tolong bantu kami don besok kenal matematika y

Answer 1

B) det a = (1×1×1) + (3×2×3) + (2×2×2) -
(2×1×3) - (1×2×2) - (3×2×1)
det a = 1 + 18 + 8 - 6 - 4 -6
det a = 11
#maafkalausalah