Post Utme Lasu 2018 Mathematics Question 40

Practice objective / multiple choice question 40 from the 2018 Post Utme Lasu Mathematics examination.

Post Utme Lasu 2018 Mathematics Objective / Multiple Choice
Question 40 POST_UTME_LASU • 2018 • MATHEMATICS • objective

Find the vector projection of the vector \(\vec{a} = 2\hat{i} + 3\hat{j} onto the vector \vec{b} = \hat{i} + \hat{j}\).

Answer Options

Correct Answer A. \(\frac{5}\){\(\sqrt{2}\)}\)\hat{i} + \(\frac{5}\){\(\sqrt{2}\)}\)\hat{j}
B. \(\frac{5}\){\(\sqrt{2}\)}\)\hat{i} - \(\frac{5}\){\(\sqrt{2}\)}\)\hat{j}
C. \(\frac{5}\){\(\sqrt{2}\)}\)\hat{i} + \(\frac{5}\){\(\sqrt{2}\)}\)\hat{j}
D. \(\frac{5}\){\(\sqrt{2}\)}\)\hat{i} - \(\frac{5}\){\(\sqrt{2}\)}\)\hat{j}
Correct Answer
A
Correct Option:
\(\frac{5}\){\(\sqrt{2}\)}\)\hat{i} + \(\frac{5}\){\(\sqrt{2}\)}\)\hat{j}

About This Question

This is Post Utme Lasu 2018 Mathematics Question 40. It is one of the objective questions from the 2018 Post Utme Lasu Mathematics examination.

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