∫₀² (x − 1)(x − 2) dx equals:
∫₀² (x − 1)(x − 2) dx equals:
- A. −2/3
- B. 2/3
- C. 0
- D. 4/3
Answer: B) 2/3
Explanation: Expand: (x−1)(x−2) = x² − 3x + 2. Integrate: [x³/3 − 3x²/2 + 2x]₀² = (8/3 − 6 + 4) − 0 = 8/3 − 2 = 2/3.
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