Post Utme Skyline University 2018 Mathematics Question 21

Practice objective / multiple choice question 21 from the 2018 Post Utme Skyline University Mathematics examination.

Post Utme Skyline University 2018 Mathematics Objective / Multiple Choice

Question 21 POST_UTME_SKYLINE_UNIVERSITY • 2018 • MATHEMATICS • objective

Let \(\mathbf{a} = egin{pmatrix} 2 \ 3 \end{pmatrix}\) and \(\mathbf{b} = egin{pmatrix} 1 \ -2 end{pmatrix}\). Find the vector \(\\(end{pmatrix}). Find the vector \mathbf{a} \times \mathbf{b}\) using the cross product formula.

Answer Options

A. \(egin{pmatrix} 0 \ 0 \ 0 \end{pmatrix}\)

Correct Answer B. \(egin{pmatrix} 6 \ -4 \ 0 \end{pmatrix}\)

C. \(egin{pmatrix} 0 \ 0 \ 6 \end{pmatrix}\)

D. \(egin{pmatrix} 0 \ 0 \ -6 \end{pmatrix}\)

Correct Answer

Correct Option:

\(egin{pmatrix} 6 \ -4 \ 0 \end{pmatrix}\)

About This Question

This is Post Utme Skyline University 2018 Mathematics Question 21. It is one of the objective questions from the 2018 Post Utme Skyline University Mathematics examination.

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Post Utme Skyline University 2018 Mathematics Question 21

Let \(\mathbf{a} = egin{pmatrix} 2 \ 3 \end{pmatrix}\) and \(\mathbf{b} = egin{pmatrix} 1 \ -2 end{pmatrix}\). Find the vector \(\\(end{pmatrix}). Find the vector \mathbf{a} \times \mathbf{b}\) using the cross product formula.

Answer Options

About This Question

Master the Exam!

Let \(\mathbf{a} = egin{pmatrix} 2 \ 3 \end{pmatrix}\) and \(\mathbf{b} = egin{pmatrix} 1 \ -2 end{pmatrix}\). Find the vector \(\\(end{pmatrix}). Find the vector \mathbf{a} \times \mathbf{b}\) using the cross product formula.