C4F - FOR EDEXCEL GCE Examinations Advanced Subsidiary Core...

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F OR E DEXCEL GCE Examinations Advanced Subsidiary Core Mathematics C4 Paper F Time: 1 hour 30 minutes Instructions and Information Candidates may use any calculator EXCEPT those with the facility for symbolic algebra, differentiation and / or integration. Full marks may be obtained for answers to ALL questions. Mathematical formulae and statistical tables are available. This paper has seven questions. Advice to Candidates You must show sufficient working to make your methods clear to an examiner. Answers without working may gain no credit. Written by Shaun Armstrong Solomon Press These sheets may be copied for use solely by the purchaser’s institute.
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Solomon Press C4 F page 2 1. A curve has the equation 2 x 2 + xy y 2 + 18 = 0. Find the coordinates of the points where the tangent to the curve is parallel to the x - a x i s . (8) 2. Use the substitution x = 2 tan u to show that 2 0 2 2 4 x x + d x = 1 2 (4 π ) . (8) 3. (a) Show that 1 2 1 24 (1 ) = 6
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C4F - FOR EDEXCEL GCE Examinations Advanced Subsidiary Core...

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