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OAU Post-UTME Mathematics 2011 Question 5

Question 5

Integration

Integrate 1/(2x)

  1. A.Not defined
  2. B.0
  3. C.½ ln x + C
  4. D.¼x2 + C
Show the answer and explanation

Answer: C (½ ln x + C)

Explanation

Take out the ½: ½∫(1/x)dx = ½ ln x + C.