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Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | May-Jun | (P1-9709/11) | Q#11

Hits: 186 Question The function  is defined by  for .         i.       State the range of .    ii.       Find the coordinates of the points at which the curve  intersects the coordinate                  axes.    iii.       Sketch the graph of .   iv.       Obtain an expression for , stating both the domain and range of . Solution […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | May-Jun | (P1-9709/11) | Q#10

Hits: 229   Question Relative to an origin O, the position vectors of points A, B and C are given by and respectively, where k is a constant. i.       Find the value of k in the case where angle AOB=90o. ii.       Find the possible values of k for which the lengths of AB and OC are equal. The point D is such […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | May-Jun | (P1-9709/11) | Q#9

Hits: 248 Question a.   The first term of a geometric progression in which all the terms are positive is 50. The third  term is 32. Find the sum to infinity of the progression. b.   The first three terms of an arithmetic progression are ,  and  respectively, where x is an acute angle. i.       Show that  . ii.       Find the sum […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | May-Jun | (P1-9709/11) | Q#8

Hits: 202 Question A curve has equation  and passes through the points A(1,-1) and B(4,11). At each of  the points C and D on the curve, the tangent is parallel to AB. Find the equation of the  perpendicular bisector of CD. Solution We are required to find the equation of perpendicular bisector of CD. To find the equation of […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | May-Jun | (P1-9709/11) | Q#7

Hits: 358 Question In the diagram, AOB is a quarter circle with centre O and radius r. The point C lies on the arc AB  and the point D lies on OB. The line CD is parallel to AO and angle  radians.      i.       Express the perimeter of the shaded region in terms of r,  and .    ii.       For […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | May-Jun | (P1-9709/11) | Q#6

Hits: 198 Question a.   Find the values of the constant m for which the line  is a tangent to the curve . b.   The function f is defined for  by , where a and b are constants. The solutions of the equation  are x = 1 and x = 9. Find i.       the values of a and […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | May-Jun | (P1-9709/11) | Q#5

Hits: 276 Question A farmer divides a rectangular piece of land into 8 equal-sized rectangular sheep pens as shown in the diagram. Each sheep pen measures x m by y m and is fully enclosed by metal  fencing. The farmer uses 480m of fencing. i.       Show that the total area of land used for the sheep pens, A m2, is […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | May-Jun | (P1-9709/11) | Q#4

Hits: 198 Question A curve is such that .     i.       A point P moves along the curve in such a way that the x-coordinate is increasing at a  constant rate of 0.3 units per second. Find the rate of change of the y-coordinate as P crosses the  y-axis. The curve intersects the y-axis where  .    ii.       Find the equation of the curve. […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | May-Jun | (P1-9709/11) | Q#3

Hits: 157 Question The diagram shows part of the curve . The shaded region is bounded by the curve, the y- axis and the lines y = 1 and y = 2. Showing all necessary working, find the volume, in terms of ,  when this shaded region is rotated through  about the y-axis. Solution Expression for the volume of the […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | May-Jun | (P1-9709/11) | Q#2

Hits: 123 Question Solve the equation  for . Solution We are given; We have the trigonometric identity; From this identity we can have; Substituting in given equation; Let ; Now we have two options. Since; Using calculator we can find the values of . NOT POSSIBLE We utilize the periodic property of   to find other solutions (roots) of :   Symmetry Property […]

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | May-Jun | (P1-9709/11) | Q#1

Hits: 191 Question Find the term independent of  in the expansion of . . Solution Expression for the general term in the Binomial expansion of  is: In the given case: Hence; Since we are looking for the coefficient of the term independent of  i.e. , so we can  equate Hence, substituting ; Becomes; Hence coefficient of the term independent of  i.e.  is . Please […]