Igcse Model Questions Vol1 2019 Mathematics Question 38
Practice objective / multiple choice question 38 from the 2019 Igcse Model Questions Vol1 Mathematics examination.
Vectors \(\mathbf{a}\) and \(\mathbf{b}\) satisfy \(|\mathbf{a}| = 5\), \(|\mathbf{b}| = 7\) and \(\mathbf{a}\cdot\mathbf{b}=14\). Define \(\mathbf{c}=2\mathbf{a}-3\mathbf{b}\). Find (i) the magnitude \(|\mathbf{c}|\) correct to two decimal places, and (ii) the angle between \(\mathbf{c}\) and \(\mathbf{a}\) correct to one decimal place.
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About This Question
This is Igcse Model Questions Vol1 2019 Mathematics Question 38. It is one of the objective questions from the 2019 Igcse Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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