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Post-UTME Mathematics 2013 Objective — Question 63

Question 63 of 100 from the Post-UTME Screening (Post-UTME) Mathematics 2013 Objective paper, with the correct answer and a full explanation.

If (x+25)/((x+1)(x-2)) = P/(x+1) + Q/(x-2), find P

A. 3
B. 2
C. 1
D. -8Correct

Explanation

x+25=P(x-2)+Q(x+1). At x=-1: 24=-3P → P=-8.

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