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JAMB Mathematics 2020 Objective — Question 19

Question 19 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2020 Objective paper, with the correct answer and a full explanation.

Evaluate lim(x->2) (x^2+x-6)/(x-2).

A. 0
B. infinity
C. 1
D. 5Correct

Explanation

(x^2+x-6)/(x-2) = [(x+3)(x-2)]/(x-2) = x+3. As x->2, this equals 5.

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