Waec Model Questions Vol2 2025 Mathematics Question 31
Practice objective / multiple choice question 31 from the 2025 Waec Model Questions Vol2 Mathematics examination.
In a plane, vectors \(\mathbf{a}\) and \(\mathbf{b}\) satisfy \(|\mathbf{a}| = 5\), \(|\mathbf{b}| = 10\) and \((\mathbf{a}+2\mathbf{b})\) is perpendicular to \((3\mathbf{a}-\mathbf{b})\). Find the magnitude of \(\mathbf{a}-\mathbf{b}\).
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This is Waec Model Questions Vol2 2025 Mathematics Question 31. It is one of the objective questions from the 2025 Waec Model Questions Vol2 Mathematics examination.
Difficulty level: Hard .
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