Post-UTME Mathematics 2008 Objective — Question 15
Question 15 of 16 from the Post-UTME Screening (Post-UTME) Mathematics 2008 Objective paper, with the correct answer and a full explanation.
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Find the area bounded by the curve y=3x²-2x+1, the ordinates x=1 and x=3, and the x-axis.
- A. 24
- B. 22
- C. 21
- D. 20Correct
Explanation
∫₁³(3x²-2x+1)dx = [x³-x²+x]₁³ = 21-1 = 20.
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