Evaluate: ∫ (ax + b)³ dx
Evaluate: ∫ (ax + b)³ dx
- A. 3(ax + b)² + C
- B. (ax + b)⁴ / 4 + C
- C. (ax + b)⁴ / (4a) + C
- D. (ax + b)⁴ / a + C
Answer: C) (ax + b)⁴ / (4a) + C
Explanation: Using linear substitution, ∫ (ax + b)ⁿ dx = (ax + b)^(n+1) / (a(n+1)) + C.
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