InterviewSolution
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InterviewSolution
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Let vec(a)= 2vec(i)+ vec(j)-2vec(k), vec(b)= vec(i) + vec(j) " if " vec(c ) is a vector such that vec(a).vec(c )= |vec(c )|, |vec( c)- vec(a)|= 2 sqrt2 and the angle between vec(a) xx vec(b) and vec(c ) " is " 30^(@), then find |(vec(a) xx vec(b)) xx vec( c)| |
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