SOLUTION: Simplify the expression (A X B) ⋅ C a = 3i + 2j b = 2i + 3j + k c = 5i + 2k

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Question 1187579: Simplify the expression (A X B) ⋅ C
a = 3i + 2j
b = 2i + 3j + k
c = 5i + 2k
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
Solving first for A+%2A+B, let D+=+A+%2A+B,
matrix%283%2C3%2C%0D%0Ai%2Cj%2Ck%2C%0D%0A3%2C2%2C0%2C%0D%0A2%2C3%2C1%29=i%282-0%29-j%283-0%29%2Bk%289-4%29=2i-3j-5k
Let+E=C%2AD, then