CAPE Pure Mathematics Unit 1 · 2021 · Paper 2
32 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)(i)4 marksComplete the truth table below.
- 1(a)(ii)2 marksHence, state whether the statements ~(p ∨ q) and ~p ∧ ~q are logically equivalent. Justify your response.
- 1(b)(i)1 markWrite the converse of the statement "n is an integer ⇒ n² is an integer".
- 1(b)(ii)3 marksProve that * is closed in ℝ.
- 1(b)(iii)2 marksDetermine whether the operation * is commutative.
- 1(c)7 marksCalculate the values of a and b.
- 1(d)6 marksSolve the logarithmic equation log₂ x + log₄ x + log₁₆ x = 7.
- 2(a)(i)a)4 marksSketch the inverse of f.
- 2(a)(i)b)1 markShow that the inverse of f is a function.
- 2(a)(ii)4 marksProve that f is one to one.
- 2(a)(iii)3 marksDetermine whether f is onto.
- 2(b)6 marksSolve the equation |x² - 4| = 3x - 2.
- 2(c)8 marksDetermine the equation whose roots are 1/α, 1/β, 1/γ.
- 3(a)(i)5 marksExpress 4 sin θ + 3 cos θ in the form of R sin(θ + α).
- 3(a)(ii)5 marksHence, solve the equation 4 sin θ + 3 cos θ = 2 for 0 ≤ θ ≤ 2π.
- 3(b)7 marksCalculate the value of cos(A - C).
- 3(c)8 marksSolve the equation cos θ = sin(θ - π/3) for θ.
- 4(a)(i)4 marksDetermine the centre and radius of the circle.
- 4(a)(ii)4 marksDetermine the equation of the tangent which touches the circle at (3, 11).
- 4(b)5 marksShow that the curve whose parametric equations are x = 3 + 3 sin θ and y = 3 cos θ represents a circle.
- 4(c)8 marksDetermine the angle between OA and OB.
- 4(d)4 marksDetermine the vector equation of a plane which passes through the point (2, 5, 3) and is perpendicular to the vector 4i + 4j - k.
- 5(a)6 marksUse the substitution u = (x³ + 4) to determine ∫ 3x² (x³ + 4)⁴ dx.
- 5(b)9 marksCalculate the area of the region enclosed by the parabolas y = x² and y = 6x - 3x².
- 5(c)(i)6 marksShow that f(x) has stationary points at x = -1, x = 0 and x = 2.
- 5(c)(ii)4 marksDetermine the nature of these stationary points.
- 6(a)(i)5 marksDetermine whether or not the lim (x→1) f(x) exists.
- 6(a)(ii)2 marksDetermine whether f is continuous at x = 1.
- 6(b)4 marksDetermine dy/dx in terms of θ.
- 6(c)4 marksCalculate ∫₁² [f(x) + g(x)] dx.
- 6(d)(i)6 marksSolve the differential equation dy/dx = sin x / sin y given that when x = 0, y = π/2.
- 6(d)(ii)4 marksDetermine the equation of the curve that passes through (1, 5) and for which y = ∫ 6x² dx.