Neco 2017 Mathematics Question 7
Practice objective / multiple choice question 7 from the 2017 Neco Mathematics examination.
Two vectors \(\mathbf{a}\) and \(\mathbf{b}\) in a plane satisfy \(|\mathbf{a}| = 5\), \(|\mathbf{b}| = 7\) and the vector \(\mathbf{c}=2\mathbf{a}-3\mathbf{b}\) has magnitude \(13\). Determine the angle \(\theta\) between \(\mathbf{a}\) and \(\mathbf{b}\) (give your answer as \(\cos^{-1}\left(\frac{31}{35}\right)\) or to one decimal place in degrees).
Answer Options
About This Question
This is Neco 2017 Mathematics Question 7. It is one of the objective questions from the 2017 Neco Mathematics examination.
Difficulty level: Hard .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.