JAMB Mathematics 2015 Objective — Question 44
Question 44 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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Find the value of the determinant |[0,3,2],[1,7,8],[0,5,4]|.
- A. −1
- B. −2Correct
- C. 12
- D. 10
Explanation
Expanding along the first column: −1×(3×4−2×5) = −1×2 = −2.
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