Post Utme Abu 2021 Mathematics Question 6

Practice objective / multiple choice question 6 from the 2021 Post Utme Abu Mathematics examination.

Post Utme Abu 2021 Mathematics Objective / Multiple Choice
Question 6 POST_UTME_ABU • 2021 • MATHEMATICS • objective

Let \(\mathbf{a} = egin{pmatrix} 2 \ 3 \end{pmatrix}\) and \(\mathbf{b} = egin{pmatrix} 4 \ 5 end{pmatrix}\). Find the unit vector in the direction of \(\\(end{pmatrix}). Find the unit vector in the direction of \mathbf{a} + \mathbf{b}\).

Answer Options

Correct Answer A. \begin{pmatrix} \(\frac{6}\){\(\sqrt{221}\)}\) \\ \(\frac{9}\){\(\sqrt{221}\)}\) \end{pmatrix}
B. \begin{pmatrix} \(\frac{12}\){\(\sqrt{221}\)}\) \\ \(\frac{15}\){\(\sqrt{221}\)}\) \end{pmatrix}
C. \begin{pmatrix} \(\frac{6}\){\(\sqrt{221}\)}\) \\ \(\frac{15}\){\(\sqrt{221}\)}\) \end{pmatrix}
D. \begin{pmatrix} \(\frac{12}\){\(\sqrt{221}\)}\) \\ \(\frac{9}\){\(\sqrt{221}\)}\) \end{pmatrix}
Correct Answer
A
Correct Option:
\begin{pmatrix} \(\frac{6}\){\(\sqrt{221}\)}\) \\ \(\frac{9}\){\(\sqrt{221}\)}\) \end{pmatrix}

About This Question

This is Post Utme Abu 2021 Mathematics Question 6. It is one of the objective questions from the 2021 Post Utme Abu Mathematics examination.

View More Post Utme Abu 2021 Mathematics Questions More Post Utme Abu Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support