C3 JUNE 2013 OCR MEI MARK SCHEME
Tuesday 18 June 2013 – Morning - MEI
Tuesday 18 June 2013 – Morning A2 GCE MATHEMATICS (MEI) 4753/01 Methods for Advanced Mathematics (C3) PRINTED ANSWER BOOK INSTRUCTIONS TO CANDIDATES These instructions are the same on the Printed Answer Book and the Question Paper. † The Question Paper will be found in the centre of the Printed Answer Book.
OCR – C3 June 2013 | ExamSolutions
Finding the Min. point on a curve (example) : ExamSolutions Maths Revision - OCR C3 June 2013 Q9(i) - youtube Video Part (ii): Area bounded by curve and line (example) : ExamSolutions Maths Revision - OCR C3 June 2013 Q9(ii) - youtube Video[PDF]
MATHEMATICS (MEI) 4753/01
2 Section A (36 marks) 1 Evaluate ã 1 6 π 0 sin3xdx.  2 A radioactive substance decays exponentially, so that its mass M grams can be modelled by the equation M =Ae−kt, where t is the time in years, and A and k are positive constants. (i) An initial mass of 100 grams of the substance decays to 50 grams in 1500 years. Find A and k.  (ii) Thesubstancebecomessafewhen99