Neco 2020 Mathematics Question 30
Practice objective / multiple choice question 30 from the 2020 Neco Mathematics examination.
In the plane, let \(\mathbf{a}= \mathbf{i}+2\mathbf{j}-\mathbf{k}\) and \(\mathbf{b}= p\mathbf{i}+ q\mathbf{j}+ r\mathbf{k}\). They satisfy \(\mathbf{a}\times\mathbf{b}= (4,\,-3,\,-2)\) and \(\mathbf{a}\cdot\mathbf{b}=4\). Determine the value of \(p+q+r\).
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About This Question
This is Neco 2020 Mathematics Question 30. It is one of the objective questions from the 2020 Neco Mathematics examination.
Difficulty level: Hard .
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