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JAMB Mathematics 2007 Objective — Question 21

Question 21 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2007 Objective paper, with the correct answer and a full explanation.

Evaluate the matrix expression (3,-7/2,5) + 2(-2,4/3,-1).

A. (3,4/2,6)
B. (-1,6/-1,3)Correct
C. (-2,6/1,3)
D. (-1,6/1,3)

Explanation

(3,-7/2,5) + (-4,8/6,-2) = (3-4, -7+8/2+6, 5-2) = (-1,6/-1,3).

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