Post Utme Lasu 2021 Mathematics Question 1

Practice objective / multiple choice question 1 from the 2021 Post Utme Lasu Mathematics examination.

Post Utme Lasu 2021 Mathematics Objective / Multiple Choice
Question 1 POST_UTME_LASU • 2021 • MATHEMATICS • objective

Find the value of ( mathbf{a} cdot mathbf{b} ) if \(\mathbf{a} = egin{pmatrix} 2 \ 3 \ -1 \end{pmatrix}\) and \(\mathbf{b} = egin{pmatrix} 1 \ -2 \ 4 \end{pmatrix}\).

Answer Options

A. 10
Correct Answer B. -10
C. 5
D. -5
Correct Answer
B
Correct Option:
-10

About This Question

This is Post Utme Lasu 2021 Mathematics Question 1. It is one of the objective questions from the 2021 Post Utme Lasu Mathematics examination.

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