Post Utme Unn 2025 Mathematics Question 20
Practice objective / multiple choice question 20 from the 2025 Post Utme Unn Mathematics examination.
Given vectors \vec{a}=3\hat{i}-2\hat{j}+\hat{k} and \vec{b}=-\hat{i}+4\hat{j}-2\hat{k}, compute the magnitude of \vec{a}\times(\vec{b}\times\vec{a}).
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About This Question
This is Post Utme Unn 2025 Mathematics Question 20. It is one of the objective questions from the 2025 Post Utme Unn Mathematics examination.
Difficulty level: Medium .
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