ECZ 2019 · O-Level Paper 1 — Introduction To Calculus
Find ∫(3x2 + 8x - 5) dx.
- A. x3 + 8x2 - 5x + C
- B. x3 + 4x2 - 5x + C
- C. 6x + 8 + C
- D. 3x3 + 4x2 - 5x + C
Verified working — step 1
Integration reverses differentiation: raise each power by 1, then divide by the NEW power. Finish with + C.The full step-by-step working and final answer, plus the video lesson for this topic, 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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