If A=i+2j-3k B=2i-j+k and C=i-3j+2k , then find
A*(B*C) need answer .
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Answered by
1
Answer:
2 is the correct answer
Answered by
0
Answer:
A*(B*C) = 2
Explanation:
A = a1i + a2j + a3k => 1 + 2 + (-3)
B = b1i + b2j + b3k => 2 + (-1) + 1
C = c1i + c2j + c3k => 1 + (-3) + 2
B*C = 2(1) + (-1)(-3) + 1(2)
B*C = 2 + 3 +2
B*C => 2i + 3j + 2k
.°. A*(B*C) = 1(2) + 2(3) + (-3)(2)
A*(B*C) = 2 + 6 - 6
A*(B*C) = 2
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