# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2019 | Feb-Mar | (P2-9709/22) | Q#7

Question The parametric equations of a curve are for . At the point P on the curve, the gradient of the curve is 2.      i.       Show that the value of the parameter at P satisfies the equation .    ii.       By first expressing in the form , where R > 0 and   , find […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2019 | Feb-Mar | (P2-9709/22) | Q#6

Question a.   Show that b.   Find Solution a.     We are required to show; Rule for integration of  is: Rule for integration of  is: Division Rule; Power Rule; Multiplication Rule; b.     We are required to find;   provided that   provided that Rule for integration of  is: Rule for integration of  is: Rule for […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2019 | Feb-Mar | (P2-9709/22) | Q#5

Question The curve with equation and the point P on the curve has y-coordinate 10. i.               Show that the x-coordinate of P satisfies the equation ii.               Use the iterative formula to find the x-coordinate of P correct to 4 significant figures. Give the  result  of each iteration to 6 significant figures. iii.               Find the gradient […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2019 | Feb-Mar | (P2-9709/22) | Q#3

Question The variables x and y satisfy the equation y = Aepx+p, where A and p are constants.  The graph of ln y against x is a straight line passing through the points (1, 2.835) and  (6, 6.585), as shown in the diagram. Find the values of A and p. Solution We are given; Taking […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2019 | Feb-Mar | (P2-9709/22) | Q#2

Question Given that satisfies the equation find the value of Solution SOLVING EQUALITION: PIECEWISE Let, . We have to consider both moduli separately and it leads to following cases;  OR We have the equation; We have to consider both moduli separately and it leads to following cases; This cannot be solved. Hence, the solution for […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2019 | Feb-Mar | (P2-9709/22) | Q#1

Question     i.       Show the equation For . Show all necessary working. Solution We are given that; Let , then; Now we have two options. Since ; Using calculator Now we find all solutions in the interval . Properties of Domain Range Periodicity Odd/Even Translation/ Symmetry We utilize the periodicity/symmetry property of   to find […]