Post-UTME Mathematics 2013 Objective — Question 74
Question 74 of 100 from the Post-UTME Screening (Post-UTME) Mathematics 2013 Objective paper, with the correct answer and a full explanation.
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Evaluate (x³+1)/(2x²-x-1) when x=-1
- A. 0Correct
- B. -1
- C. 1
- D. 1/3
Explanation
At x=-1: numerator = -1+1 = 0, so the whole expression is 0.
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