ECZ 2018 · GCE Paper 1 — Introduction To Calculus
Integrate 3x⁴ − 4x⁻³ with respect to x.
- A. (35)x⁵ + 2x² + c
- B. (35)x⁵ − 2x² + c
- C. (35)x² − 2x² + c
- D. 12x³ + 12x⁻⁴ + c
Verified working — step 1
Raise each power by 1 and divide by the new power: ∫3x⁴ dx = 3x⁵/5, and ∫−4x⁻³ dx = −4x⁻²/(−2) = …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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