ECZ 2023 · GCE Paper 1 — Introduction To Calculus
Integrate 3x² − 5x + 9x³ with respect to x.
- A. x³ − 5x²/2 + 92x²+ c
- B. x³ − 5x²/2 − 92x²+ c
- C. 6x − 5 − 27x⁴ + c
- D. x³ − 5x²/2 − 3x² + c
Verified working — step 1
Write 9x³ as 9x⁻³, then raise each power by 1 and divide by the new power: 3x² → x³; −5x → −5x²/2; 9x⁻³ → 9x⁻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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