Neco 2017 Further Mathematics Question 24
Practice objective / multiple choice question 24 from the 2017 Neco Further Mathematics examination.
Vectors \\(\\mathbf{a}\\) and \\(\\mathbf{b}\\) in three dimensions satisfy \\(|\\mathbf{a}| = 5\\), \\(|\\mathbf{b}| = 7\\) and \\(\\mathbf{a}\\cdot\\mathbf{b} = 20\\). Let \\(\\mathbf{c} = 2\\mathbf{a} - 3\\mathbf{b}\\). Find the magnitude \\(|\\mathbf{c}|\\).
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About This Question
This is Neco 2017 Further Mathematics Question 24. It is one of the objective questions from the 2017 Neco Further Mathematics examination.
Difficulty level: Medium .
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