ECZ 2017 · O-Level Paper 1 — Introduction To Calculus

Differentiate y = ⅓x³ − 5x² − 2x with respect to x.

  • A. x² − 10x
  • B. x³ − 10x − 2
  • C. ⅓x² − 10x − 2
  • D. x² − 10x − 2

Verified working — step 1

Differentiate term by term using the power rule: ⅓·3x² − 5·2x − 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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