Gce Model Questions Vol1 2020 Further Mathematics Question 28
Practice objective / multiple choice question 28 from the 2020 Gce Model Questions Vol1 Further Mathematics examination.
Vectors \(\mathbf{a}\) and \(\mathbf{b}\) in three dimensions satisfy \(|\mathbf{a}|=5\), \(|\mathbf{b}|=7\) and \(\mathbf{a}\cdot\mathbf{b}=14\). Define \(\mathbf{c}=2\mathbf{a}-3\mathbf{b}\). Find the magnitude of \(\mathbf{c}\) and the angle between \(\mathbf{c}\) and \(\mathbf{a}\) (to one decimal place).
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About This Question
This is Gce Model Questions Vol1 2020 Further Mathematics Question 28. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Further Mathematics examination.
Difficulty level: Hard .
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