Neco 2019 Further Mathematics Question 17
Practice objective / multiple choice question 17 from the 2019 Neco Further Mathematics examination.
A vector \(\mathbf{a}\) has magnitude 5, a vector \(\mathbf{b}\) has magnitude 7, and the angle between them is \(60^{\circ}\). A third vector \(\mathbf{c}\) is perpendicular to both \(\mathbf{a}\) and \(\mathbf{b}\) and its magnitude equals the area of the parallelogram formed by \(\mathbf{a}\) and \(\mathbf{b}\). Find the magnitude of \(\mathbf{S}= \mathbf{a}+ \mathbf{b}+ \mathbf{c}\).
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About This Question
This is Neco 2019 Further Mathematics Question 17. It is one of the objective questions from the 2019 Neco Further Mathematics examination.
Difficulty level: Hard .
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