Post Utme Noun 2017 Mathematics Question 25

Practice objective / multiple choice question 25 from the 2017 Post Utme Noun Mathematics examination.

Post Utme Noun 2017 Mathematics Objective / Multiple Choice
Question 25 POST_UTME_NOUN • 2017 • MATHEMATICS • objective

Find the vector ( mathbf{a} ) such that \(\mathbf{a} \cdot 2 \mathbf{i} + 3 \mathbf{j} \\) = 10 ) and \(\mathbf{a} \cdot \mathbf{j} = 5\).

Answer Options

Correct Answer A. \(2 \mathbf{i} + 5 \mathbf{j}\)
B. \(5 \mathbf{i} + 2 \mathbf{j}\)
C. \(10 \mathbf{i} + 5 \mathbf{j}\)
D. \(5 \mathbf{i} + 10 \mathbf{j}\)
Correct Answer
A
Correct Option:
\(2 \mathbf{i} + 5 \mathbf{j}\)

About This Question

This is Post Utme Noun 2017 Mathematics Question 25. It is one of the objective questions from the 2017 Post Utme Noun Mathematics examination.

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