ECZ 2021 · GCE Paper 2 · Question 6 — Computer and Calculator
Question from ECZ 2021 · GCE Paper 2 · Question 6
(a) Express 22x - 1 - 33x - 1 as a single fraction in its simplest form.[3]
Verified working — step 1
Common denominator (2x - 1)(3x - 1):(b) The programme below is given in form of a pseudocode. Start Enter length If length < 0 THEN Display error message "length must be positive" Else enter height If height < 0 THEN Display error message "height must be positive" Else volume = 13 * length ∧ 3 * height End if Display volume Stop Draw a corresponding flowchart for this pseudocode.[5]
Verified working — step 1
Translate the pseudocode into a flowchart with nested decisions.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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