Neco 2019 Further Mathematics Question 6
Practice objective / multiple choice question 6 from the 2019 Neco Further Mathematics examination.
Given vectors \(\mathbf{a} = (2, -1, k)\) and \(\mathbf{b} = (1, 3, 4)\) are perpendicular. Let \(\mathbf{c} = \mathbf{a} + \mathbf{b}\). Find the value of \(k\) and then determine the unit vector in the direction of \(\mathbf{c}\).
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About This Question
This is Neco 2019 Further Mathematics Question 6. It is one of the objective questions from the 2019 Neco Further Mathematics examination.
Difficulty level: Medium .
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