Edexcel GCSE Mathematics · 1MA1

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Extreme practice · Multi-step problems within GCSE Higher. Difficulty is an editorial judgement. These questions are self-reviewed, not ranked.

Edexcel format & instructions

Show all working in the spaces provided. Paper 1H is non-calculator; Papers 2H and 3H permit a calculator. Diagrams are not to scale unless stated.

Original topic practice. This set is not a full official paper. Written work is self-reviewed against our worked solutions.

QUESTION PAPER

Mathematics · Higher TierHigher Tier · Non-calculator practice · 1MA1

Torus Maths original · Edexcel style

Let $x=\sqrt{4}+\sqrt{3}$ . Give your answers in exact form.

(a)

Show that $1/x=\sqrt{4}-\sqrt{3}$ .

(3)

Answer

(b)

Find $x^4+x^{-4}$ and $x^4-x^{-4}$ .

(4)

Answer

(Total for Question 1 is 7 marks)

Question reference: edexcel-gcse-extreme-01-01Report a question →

Need a nudge?Three small hints · no answer revealed