# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2017 | Oct-Nov | (P2-9709/22) | Q#7

Question The equation of a curve is x2+4xy+2y2=7      i.       Find the equation of the tangent to the curve at the point (-1, 3). Give your answer in the form  ax +by +c = 0, where a, b and c are integers.      ii.       Show that there is no point on the curve at which […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2017 | Oct-Nov | (P2-9709/22) | Q#6

Question      i.       Find the exact value of    ii.       Given that Find the value of positive constant a. Solution      i.   We are required to find; Rule for integration of  is: Rule for integration of  is: Rule for integration of  is: Rule for integration of  is:      ii.   We are given […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2017 | Oct-Nov | (P2-9709/22) | Q#5

Question The diagram shows the curve y=4e−2x and a straight line. The curve crosses the y-axis at the point  P. The straight line crosses the y-axis at the point (0, 9) and its gradient is equal to the gradient of  the curve at P. The straight line meets the curve at two points, one of […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2017 | Oct-Nov | (P2-9709/22) | Q#4

Question The polynomials p(x) and g(x) are defined by;  and where a and b are constants. It is given that (x + 3) is a factor of f(x) and also of q(x).     i.       Find the values of a and b.    ii.       Show that the equation q(x) – p(x) = 0 has only one […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2017 | Oct-Nov | (P2-9709/22) | Q#3

Question The equation of a curve is . The curve has a stationary point M in the interval . Find the coordinates of M, giving each coordinate correct to 3 significant figures.  Solution We are required to find the x-coordinates of stationary point of the curve. A stationary point on the curve is the point […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2017 | Oct-Nov | (P2-9709/22) | Q#2

Question It is given that x satisfies the equation . Find the possible values of Solution SOLVING EQUATION: PIECEWISE Let, . We can write it as; We have to consider two separate cases; When When We have the equation; It  can be written as; We have to consider two separate cases; When ; When […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2017 | Oct-Nov | (P2-9709/22) | Q#1

Question Use logarithms to solve the equation 53x-1 = 24x giving your answer correct to 3 significant figures. Solution We are given; Taking natural logarithm of both sides; Power Rule;