Post Utme Caleb University 2020 Mathematics Question 27

Practice objective / multiple choice question 27 from the 2020 Post Utme Caleb University Mathematics examination.

Post Utme Caleb University 2020 Mathematics Objective / Multiple Choice
Question 27 POST_UTME_CALEB_UNIVERSITY • 2020 • MATHEMATICS • objective

Solve the system of equations \(egin{cases} x + y + z = 6 \ x + 2y + 3z = 12 \ 2x + 3y + 5z = 20 \end{cases}\) using matrices.

Answer Options

A. \(egin{cases} x = 2 \ y = 2 \ z = 2 \end{cases}\)
Correct Answer B. \(egin{cases} x = 3 \ y = 2 \ z = 1 \end{cases}\)
C. \(egin{cases} x = 1 \ y = 3 \ z = 2 \end{cases}\)
D. \(egin{cases} x = 4 \ y = 1 \ z = 1 \end{cases}\)
Correct Answer
B
Correct Option:
\(egin{cases} x = 3 \ y = 2 \ z = 1 \end{cases}\)

About This Question

This is Post Utme Caleb University 2020 Mathematics Question 27. It is one of the objective questions from the 2020 Post Utme Caleb University Mathematics examination.

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