Calculate the area under the curve y = 3x² from x = 1 to x = 2.
Calculate the area under the curve y = 3x² from x = 1 to x = 2.
- A. 7
- B. 8
- C. 9
- D. 6
Answer: A) 7
Explanation: Area = ∫(1 to 2) 3x² dx = [x³] from 1 to 2 = 8 − 1 = 7 sq units.
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