Mathematics > EXAM > OCR Mathematics A Unit H230/01: Pure Mathematics and Statistics Advanced Subsidiary GCE (All)
OCR Mathematics A Unit H230/01: Pure Mathematics and Statistics Advanced Subsidiary GCE
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Section A: Pure Mathematics Answer all the questions. 1 In this question you must show detailed reasoning. (i) Express 3 2 7 in the form a b, where a is an integer and b is a prime number. [2] ... (ii) Express 1 2 2 - in the form c d + e , where c and d are integers and e is a prime number. [3] 2 (i) The equation x x3 0 k 2 + + = has repeated roots. Find the value of the constant k. [2] (ii) Solve the inequality 6 0 x x 2 + - 2 . [2] 3 (i) Solve the equation sin 0. f 25 0 360 or º º 2 i i = G 1 . [3] (ii) In this question you must show detailed reasoning. Solve the equation tan 3 3 z z = for º 0 9 G 1 0º. [Show More]
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