Question
(H7) The equation x³ − 4x − 2 = 0 has a root near x = 2. Use the iteration xₙ₊₁ = (4xₙ + 2)^(1/3) starting at x₁ = 2 to find x₃ correct to 3 d.p.
[Higher tier]
4 marks · take your time before peeking.
Sign up to try the next 30 problems
Save your streak, mark answers against the spec, and build a daily revision habit. Free during public beta — no card, no auto-renew.
Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.