The anti-derivative of f(x) = 3x² with respect to x is:
The anti-derivative of f(x) = 3x² with respect to x is:
- A. x³
- B. x³ + C
- C. 6x + C
- D. x³/3 + C
Answer: B) x³ + C
Explanation: d/dx(x³) = 3x², but integration includes an arbitrary constant. So ∫3x² dx = x³ + C.
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