Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2004 | May-Jun | (P2-9709/02) | Q#5

Question The diagram shows the part of the curve y = xe-x for , and its maximum point M.      i.       Find the x-coordinate of M.    ii.       Use the trapezium rule with two intervals to estimate the value of giving your answer correct to 2 decimal places.   iii.       […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2004 | May-Jun | (P2-9709/02) | Q#7

Question      i.By expanding , show that    ii.Hence, or otherwise, show that Solution      i.   We have; We apply following addition formula. Therefore; We apply following two formulae. We have the trigonometric identity; Therefore, we can replace; Hence;    ii.   We are required to show that; As we have demonstrated in […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2004 | May-Jun | (P2-9709/02) | Q#6

Question The parametric equations of a curve are Where t takes all positive values.      i.       Show that    ii.       Find the equation of the tangent to the curve at the point where .   iii.       The curve has one stationary point. Find the y-coordinate of this point, and determine whether  […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2004 | May-Jun | (P2-9709/02) | Q#4

Question i.       Express  in the form , where  and , giving the value of  correct to 2 decimal places.    ii.       Hence solve the equation Giving all solutions in the interval  correct to 1 decimal place.   iii.       Write down the least value of  as  varies. Solution      i.   We […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2004 | May-Jun | (P2-9709/02) | Q#2

Question The sequence of values given by the iterative formula With initial value , converges to .      i. Use this iterative formula to find correct to 3 decimal places, showing the result of each  iteration.    ii.  State an equation satisfied by , and hence show that the exact value of  is .  […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2004 | May-Jun | (P2-9709/02) | Q#1

Question Given that 2x = 5y, use logarithms to find the value of . Solution We are given; Taking natural logarithm of both sides; Power Rule; Answer correct to 3 significant figures is;

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2004 | May-Jun | (P2-9709/02) | Q#3

Question The cubic polynomial   is denoted by . It is given that  is a factor of .     i.       Find the value of .    ii.       When  has this value, solve the equation . Solution      i.   We are given that; We are also given that is a factor of . […]