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JAMB Mathematics 2015 Objective — Question 22

Question 22 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2015 Objective paper, with the correct answer and a full explanation.

Evaluate lim(x→2) (x²−1)/(x+1).

Diagram for question 22

A. 0
B. 3
C. 2
D. 1Correct

Explanation

(x²−1)/(x+1) = (x−1)(x+1)/(x+1) = x−1. As x→2, limit = 1.

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