JAMB Mathematics 1999 Question 37

Question 37

Integration

Evaluate ∫−21 (x − 1)2dx

  1. A.−3⅓
  2. B.7
  3. C.9
  4. D.11
Show the answer and explanation

Answer: C (9)

Explanation

∫(x − 1)² dx = (x − 1)³/3. From −2 to 1: 0 − (−27/3) = 9.