if a=i-2j-3k,b=2i+j-k and c=i+3j-2k, the find the value of a*(b*c).
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ANSWER IS 7i-14j-21k
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if a=i-2j-3k,b=2i+j-k and c=i+3j-2k, the find the value of a*(b*c).
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