A=2i-3j-k and B=i+4j-2k what is A.B
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A.B = [2i - 3j - k] . [I + 4j -2k]
= 2i -12j + 2k. ....
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= 2i -12j + 2k. ....
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Its very simple
A=2i-3j-k and B=i+4j-2k
A.B= 2-12+2=-12
A.B=-12
A=2i-3j-k and B=i+4j-2k
A.B= 2-12+2=-12
A.B=-12
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