2025 IGCSE 0580 May/June P41 Q5

2025 IGCSE 0580 May/June P41 Q5

6 marks
  1. These are the first 5 terms of a sequence.
    \(1\qquad8\qquad27\qquad64\qquad125\)
    Find the 10th term of this sequence.[1]
  2. These are the first 5 terms of a different sequence.
    \(5\qquad8\qquad13\qquad20\qquad29\)
    Find the \(n\)th term of this sequence.[2]
  3. The sum of the first \(n\) terms of another sequence is \(\dfrac n2(5n-1)\).
    1. Use \(n=2\) to find the sum of the first two terms in this sequence.[1]
    2. Find the 3rd term of this sequence.[2]

Solution:

Solution locked

Sign in to view the step-by-step solution

Similar questions are unavailable for this question.
Answer:(a) \(1000\). (b) \(n^2+4\). (c)(i) \(9\). (ii) \(12\).

Need help? Join our JC Math tuition classes.

Learn more