Post-UTME Mathematics 2013 Objective — Question 33
Question 33 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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For what value of x is the tangent to the curve y=x²-4x+3 parallel to the x-axis?
- A. 3
- B. 2Correct
- C. 1
- D. 0
Explanation
dy/dx=2x-4=0 gives x=2.
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