ECZ 2020 · O-Level Paper 1 — Introduction To Calculus
Integrate y = x⁻³ - 3x⁴ + 5.
- A. -3x⁻⁴ - 12x³
- B. -12x²- 3x⁵/5 + 5x + c
- C. 12x²- 3x⁵/5 + 5x + c
- D. -12x²- 3x⁵ + 5x + c
Verified working — step 1
∫(x⁻³ - 3x⁴ + 5)dx = x⁻²/(-2) - 3x⁵/5 + 5x + c = …The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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