Neco Model Questions Vol1 2017 Mathematics Question 34
Practice objective / multiple choice question 34 from the 2017 Neco Model Questions Vol1 Mathematics examination.
Vectors \(\mathbf{a}\) and \(\mathbf{b}\) lie in the same plane and satisfy \(|\mathbf{a}| = 5\), \(|\mathbf{b}| = 7\) and \((\mathbf{a}+2\mathbf{b})\) is perpendicular to \((3\mathbf{a}-\mathbf{b})\). Find the acute angle between \(\mathbf{a}\) and \(\mathbf{b}\) in degrees (to the nearest tenth).
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This is Neco Model Questions Vol1 2017 Mathematics Question 34. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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