Post Utme Bells University 2023 Mathematics Question 14

Practice objective / multiple choice question 14 from the 2023 Post Utme Bells University Mathematics examination.

Post Utme Bells University 2023 Mathematics Objective / Multiple Choice
Question 14 POST_UTME_BELLS_UNIVERSITY • 2023 • MATHEMATICS • objective

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

Answer Options

Correct Answer A. \mathbf{a}\(= 3mathbf\){i} + 2mathbf{j}
B. \mathbf{a}\(= 2mathbf\){i} + 3mathbf{j}
C. \mathbf{a}\(= mathbf\){i} + 2mathbf{j}
D. \mathbf{a}\(= 4mathbf\){i} + mathbf{j}
Correct Answer
A
Correct Option:
\mathbf{a}\(= 3mathbf\){i} + 2mathbf{j}

About This Question

This is Post Utme Bells University 2023 Mathematics Question 14. It is one of the objective questions from the 2023 Post Utme Bells University Mathematics examination.

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