# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2018 | Oct-Nov | (P2-9709/22) | Q#7

Question     i.       Use the factor theorem to show that (2x+3) is a factor of    ii.       Show that the equation  can be expressed as   iii.       Solve the equation For . Solution      i.   We are given that; We are also given that is a factor of . When a polynomial, , is […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2018 | Oct-Nov | (P2-9709/23) | Q#4

Question The diagram shows the curve with equation . The curve crosses the x-axis at points with coordinates  and .      i.       Use the factor theorem to show that (x +2) is a factor of    ii.       Show that satisfies an equation of the form , and state the  values of p and q.   […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2018 | Oct-Nov | (P2-9709/21) | Q#4

Question The diagram shows the curve with equation . The curve crosses the x-axis at points with coordinates  and .      i.       Use the factor theorem to show that (x +2) is a factor of    ii.       Show that satisfies an equation of the form , and state the  values of p and q. […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2018 | May-Jun | (P2-9709/23) | Q#3

Question     i.       Find the quotient when   is divided by  ,  and show that the  remainder is 1.    ii.        Show that the equation  has no real root. Solution      i.   Hence quotient is and remainder is .    ii.   We are required to show that following equation has no […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2018 | May-Jun | (P2-9709/22) | Q#3

Question i.       Find the quotient when   is divided by  ,  and show that the remainder is 1.    ii.       Show that the equation  has no real root. Solution      i.   Hence quotient is and remainder is .      ii.   We are required to show that following equation has no real roots; When […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2018 | May-Jun | (P2-9709/21) | Q#6

Question The cubic polynomial  is defined by where  is a constant. It is given that  is a factor of     i.       Use the factor theorem to find the value of  and hence factorise f(x) completely.    ii.       Hence, without using a calculator, solve the equation f(2x) = 3f(x). Solution      i.   We are given […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2018 | Feb-Mar | (P2-9709/22) | Q#4

Question The polynomial p(x) is defined by     i.       Use the factor theorem to show that (x+3) is a factor of p(x).    ii.       Factorise p(x) completely.   iii.       Hence, given that find the value of 2u and, using logarithms, find the value of u correct to 3 significant figures. Solution      i.   We […]