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Daily Problem·Saturday, 2 November 2024Back to today

Find which term equals a given value

GCSE · Mathematics · AQA · A25 — Deduce nth term for linear and quadratic sequences

Question

(H7) u_n = n² + 3n - 5. Find the value of n for which u_n = 71.

[Higher tier]

4 marks · take your time before peeking.

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