Post Utme Greenfield University 2017 Mathematics Question 18

Practice objective / multiple choice question 18 from the 2017 Post Utme Greenfield University Mathematics examination.

Post Utme Greenfield University 2017 Mathematics Objective / Multiple Choice
Question 18 POST_UTME_GREENFIELD_UNIVERSITY • 2017 • MATHEMATICS • objective

Let \(\mathbf{a} = \begin{pmatrix} 1 \ 2 \ 3 \end{pmatrix}\) and \(\mathbf{b} = \begin{pmatrix} 4 \ 5 \ 6 end{pmatrix}\). Find the cross product \(\\(end{pmatrix}). Find the cross product \mathbf{a} \times \mathbf{b}\).

Answer Options

Correct Answer A. \(\mathbf{a} \times \mathbf{b} = \begin{pmatrix} 5 \ 3 \ -7 \end{pmatrix}\)
B. \(\mathbf{a} \times \mathbf{b} = \begin{pmatrix} 5 \ -3 \ 7 \end{pmatrix}\)
C. \(\mathbf{a} \times \mathbf{b} = \begin{pmatrix} -5 \ 3 \ 7 \end{pmatrix}\)
D. \(\mathbf{a} \times \mathbf{b} = \begin{pmatrix} 5 \ -3 \ -7 \end{pmatrix}\)
Correct Answer
A
Correct Option:
\(\mathbf{a} \times \mathbf{b} = \begin{pmatrix} 5 \ 3 \ -7 \end{pmatrix}\)

About This Question

This is Post Utme Greenfield University 2017 Mathematics Question 18. It is one of the objective questions from the 2017 Post Utme Greenfield University Mathematics examination.

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