Gce Model Questions Vol1 2023 Mathematics Question 34
Practice objective / multiple choice question 34 from the 2023 Gce Model Questions Vol1 Mathematics examination.
In three‑dimensional space vectors \(\mathbf{a}\) and \(\mathbf{b}\) satisfy \(|\mathbf{a}|=5\), \(\mathbf{a}\cdot\mathbf{b}=6\) and \(|\mathbf{a}+2\mathbf{b}|=13\). Determine \(|\mathbf{b}|\) and the angle \(\theta\) between \(\mathbf{a}\) and \(\mathbf{b}\) (give \(\theta\) as \(\arccos\) of a rational expression).
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About This Question
This is Gce Model Questions Vol1 2023 Mathematics Question 34. It is one of the objective questions from the 2023 Gce Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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