Neco 2017 Further Mathematics Question 46
Practice objective / multiple choice question 46 from the 2017 Neco Further Mathematics examination.
If \( \mathbf{a}=2\mathbf{i}-\mathbf{j}+\mathbf{k} \) and \( \mathbf{b}=\mathbf{i}+2\mathbf{j}-2\mathbf{k} \), find a vector \( \mathbf{c} \) that is perpendicular to both \( \mathbf{a} \) and \( \mathbf{b} \) and has magnitude 5. Then compute the value of \( (\mathbf{c}\times\mathbf{a})\cdot\mathbf{b} \).
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About This Question
This is Neco 2017 Further Mathematics Question 46. It is one of the objective questions from the 2017 Neco Further Mathematics examination.
Difficulty level: Hard .
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