CAPE Pure Mathematics Unit 2 · May/June 2026 · Paper 2
39 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.
- 1(a)4 marksExpress the complex number 5-3i / 4+2i in the form x + yi where x and y are real numbers.
- 1(b)(i)a)2 marksCalculate the EXACT value of |z|.
- 1(b)(i)b)2 marksCalculate the EXACT value of arg z.
- 1(b)(ii)4 marksHence, use de Moivre's theorem to determine the value of z^12.
- 1(c)6 marksDetermine an expression for dy/dx in terms of x and y.
- 1(d)7 marksShow that y = -x + π/2 is the tangent to the curve y = ln(1 + sin 2x) at the point where x = π/2.
- 2(a)(i)4 marksApply the trapezium rule with THREE equal intervals to estimate the value of ∫(from 0 to π/3) tan x dx.
- 2(a)(ii)4 marksUsing an appropriate trigonometric identity, determine the EXACT value of ∫(from 0 to π/3) tan x dx.
- 2(b)7 marksUse the substitution u = cos^(-1)(x/2) to show that ∫(from 0 to 1) (cos^(-1)(x/2))/√(4-x^2) dx = 5π^2/72.
- 2(c)(i)6 marksShow that I_n = (n-1)/n * I_(n-2).
- 2(c)(ii)a)2 marksVerify that I_0 = π/2.
- 2(c)(ii)b)2 marksHence, determine the value of I_4.
- 3(a)(i)2 marksState the values of the first FOUR terms of the sequence, a_1, a_2, a_3, and a_4.
- 3(a)(ii)2 marksShow that the sequence converges.
- 3(b)(i)2 marksExpress the series 4 + 4^2 + 4^3 + ... + 4^n using summation notation.
- 3(b)(ii)8 marksProve by mathematical induction that 4 + 4^2 + 4^3 + ... + 4^n = 4/3 (4^n - 1) for all positive integers n.
- 3(c)(i)3 marksDetermine the values of A and B such that 4/((2r+1)(2r+3)) = A/(2r+1) + B/(2r+3).
- 3(c)(ii)5 marksHence, use the method of differences to show that Σ(from r=1 to n) 4/((2r+1)(2r+3)) = 2(1/3 - 1/(2n+3)).
- 3(c)(iii)3 marksHence, calculate Σ(from r=1 to ∞) 4/((2r+1)(2r+3)).
- 4(a)3 marksObtain the Maclaurin series expansion of f(x) = e^(2x) up to and including the term in x^4.
- 4(b)6 marksObtain the binomial expansion of (8 + x)^(1/3) in ascending powers of x, up to and including the term in x^2. State the values of x for which the expansion is valid.
- 4(c)(i)3 marksUsing the intermediate value theorem, show that cos x = xe^(-x) has a root between x = 1 and x = 1.5.
- 4(c)(ii)6 marksHence, use the method of interval bisection to determine, correct to 1 decimal place, the approximate root of cos x = xe^(-x) which lies in the interval (1, 1.5).
- 4(d)(i)4 marksUse the Newton-Raphson formula to show that for n ≥ 1, with a given initial estimate x_n, x_(n+1) = (3x_n^4 + 13)/(4x_n^3 + 1).
- 4(d)(ii)3 marksHence, or otherwise, use the Newton-Raphson method with the initial estimate x_1 = 2 to calculate, to 2 decimal places, a new estimate, x_2, of the root.
- 5(a)(i)2 marksDetermine the sample space of the possible outcomes of the experiment.
- 5(a)(ii)2 marksCalculate P(H|F).
- 5(a)(iii)3 marksState, with reason, whether H and F are independent events.
- 5(b)(i)2 marksCalculate the number of ways of arranging 3 letters from the first 6 letters of the alphabet.
- 5(b)(ii)3 marksCalculate the number of ways of arranging ALL the letters of the word SUCCESS.
- 5(c)4 marksDetermine in how many ways a sub-committee may be formed if 2 Mathematics teachers and 3 English teachers are selected in no particular order.
- 5(d)4 marksEvaluate the determinant of A.
- 5(e)5 marksDetermine whether the system is consistent.
- 6(a)4 marksCalculate the value of k for which the matrix is singular.
- 6(b)(i)8 marksSolve the differential equation to obtain the general solution.
- 6(b)(ii)2 marksHence, given that y = 1 when x = 0, determine the particular solution.
- 6(c)(i)5 marksObtain the complementary function of the differential equation.
- 6(c)(ii)5 marksDetermine a particular integral of the differential equation.
- 6(c)(iii)1 markHence, state the general solution of the differential equation.