CAPE Pure Mathematics Unit 2 · May/June 2015 · Paper 1
45 multiple-choice items from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.
- Q11 mark · multiple choiceThe conjugate of the complex number
7 + \frac{1}{2}iis - Q21 mark · multiple choiceThe complex number
z = \sqrt{3} + ican be expressed as - Q31 mark · multiple choiceGiven that
\cos 2x = 1 - 2\sin^2 x, then\int_0^{\pi} \sin^2\left(\frac{x}{4}\right) dxis - Q41 mark · multiple choiceOne square root of
3 - 4iis - Q51 mark · multiple choiceThe complex number
z = \frac{1}{1-i}can be represented on an Argand diagram as - Q61 mark · multiple choiceIf
f(x) = \ln 2x, thenf'(x) = - Q71 mark · multiple choiceThe equation
e^x - x^4 = 0has a root between - Q81 mark · multiple choiceThe number of bacteria present in a culture is modelled by
y = y_0 e^{kt}, wherek > 0,yis the population afterthours, andy_0is the initial population. The rate of growth,c, whent = 5is given by - Q91 mark · multiple choice
\frac{d}{dx}(\ln x)^3 = - Q101 mark · multiple choiceGiven that
a,b,candkare constants, then\int \frac{3}{x^2(x - 1)} dxcan be expressed as - Q111 mark · multiple choiceThe integral of
\frac{1}{1 - \sin^2 x}with respect toxis - Q121 mark · multiple choiceThe partial fractions of
\frac{x + 3}{(2x + 5)(x - 1)^2}may be expressed in the form - Q131 mark · multiple choiceA curve is given parametrically by the equations
x = t^2 - 2t,y = t^2 + 2t. The simplest expression for the gradient of the tangent in terms oftis - Q141 mark · multiple choice
\int \frac{dx}{\sqrt{1 - 9x^2}} = - Q151 mark · multiple choiceThe argument of the complex number
z = -\frac{1}{2} + i\frac{\sqrt{3}}{2}is - Q161 mark · multiple choiceFor
-1 < 2n < 1,\sum_{r=0}^{\infty} (2n)^r = - Q171 mark · multiple choiceIf the terms of the sequence
u_1, u_2, u_3, \dots, u_n, \dotssatisfy the recurrence relationu_{n+1} = u_n + 3,n \ge 1, then then^{\text{th}}term may be expressed as - Q181 mark · multiple choiceThe
5^{\text{th}}term in the sequence that is defined by the relationu_n = (-1)^{n+1}\frac{n}{3n - 1},n \ge 1, is - Q191 mark · multiple choiceWhich of the following sequences,
\{u_n\}, converges? - Q201 mark · multiple choiceWhich of the following series are arithmetic series? \begin{align*} \text{I.} & \quad \sum_{r=1}^n (7 + 3r) \\ \text{II.} & \quad \sum_{r=1}^n 2(3^r) \\ \text{III.} & \quad \sum_{r=1}^n \log_{10}(r + 1) \\ \text{IV.} &…
- Q211 mark · multiple choiceThe sum to infinity of a geometric series is
\frac{1}{1 - 2x}. The range ofxis - Q221 mark · multiple choiceLet
a_nandS_ndenote respectively, the value of then^{\text{th}}term and then^{\text{th}}partial sum of a series. The value ofS_{n+2} - S_nwhen calculated on the series is - Q231 mark · multiple choiceThe binomial coefficient
\binom{n}{2}is equivalent to - Q241 mark · multiple choiceGiven that
S_n = \sum_{i=1}^n \left(\frac{1}{i} - \frac{1}{i+1}\right),\lim_{n\to\infty} S_nis - Q251 mark · multiple choiceThe value of the term that is independent of
xin the binomial expansion of\left(x^2 + \frac{1}{x}\right)^{12}is - Q261 mark · multiple choiceGiven that the coefficient of the term in
b^3in the binomial expansion of(a + b)^5is40, thena = - Q271 mark · multiple choiceIf
\sum_{n=2}^\infty 2^{-n} = a, thenais - Q281 mark · multiple choiceThe Maclaurin series for
\sin x, up to the term inx^3, is - Q291 mark · multiple choiceLet
fbe a continuous function withf(0) = 1andf(0.8) = -0.76. The first approximation to the root in[0, 0.8], to three decimal places, using linear interpolation is - Q301 mark · multiple choiceGiven that the
n^{\text{th}}approximation of the root of the equationx^5 = x^3 + 25based on the Newton-Raphson method isx_n, thenx_{n+1}may be expressed as - Q311 mark · multiple choiceIn how many ways can the letters ABCDE be arranged so that the A and B are always together?
- Q321 mark · multiple choiceThe number of distinct permutations of the letters of the word POSSIBILITY is
- Q331 mark · multiple choiceA relay team of five teachers is to be chosen from a group of 15 teachers. In how many ways could this relay team be chosen?
- Q341 mark · multiple choice
XandYare mutually exclusive events. IfP(X) = \frac{1}{4}andP(Y) = \frac{1}{5}, thenP(X \cup Y) = - Q351 mark · multiple choiceThe matrix
Ais a3 \times 3matrix with determinant14. If the matrix of cofactors ofAis\begin{pmatrix} 4 & -14 & -2 \\ 3 & -7 & -5 \\ 1 & 7 & 3 \end{pmatrix}, thenA^{-1} = - Q361 mark · multiple choiceThe number of possible values of
xwhich satisfy the system of simultaneous equations, \begin{align*} 2x + 3y + 2z &= -5 \\ 4x + 6y + 4z &= -10 \\ 6x + 9y + 6z &= -16 \end{align*} is - Q371 mark · multiple choiceIf
M = \begin{pmatrix} 1 & 1 & 4 \\ 3 & 2 & -1 \\ 6 & 0 & 5 \end{pmatrix}, then the cofactor of the element3inMabove may be written as - Q381 mark · multiple choiceIf
P = \begin{pmatrix} 1 & -2 & 0 \\ 3 & 1 & 5 \\ -1 & 2 & 3 \end{pmatrix}andQ = \begin{pmatrix} -7 & 6 & -10 \\ -14 & 3 & -5 \\ 7 & 0 & 7 \end{pmatrix}then… - Q391 mark · multiple choiceThe letters of the word I R R E G U L A R are to be arranged in a line. The number of possible arrangements in which the 3 Rs are NOT together is
- Q401 mark · multiple choiceTwo coins and a die with faces numbered 1 to 6 are thrown together once. Assuming that the die and coins are fair, the probability of obtaining 2 heads and a number less than 4 is
- Q411 mark · multiple choiceThe determinant of the matrix
M = \begin{pmatrix} 3 & -1 & 5 \\ 2 & 3 & -2 \\ 0 & 5 & 4 \end{pmatrix}is - Q421 mark · multiple choiceIf the auxiliary equation for a homogeneous second order differential equation with real, constant coefficients is given by
\lambda^2 + 6\lambda + 50 = 0, then the general solution of the differential equation may be… - Q431 mark · multiple choiceThe general solution of the differential equation
(x - 2)\frac{dy}{dx} = yis - Q441 mark · multiple choiceGiven that
y = \frac{\pi}{4}andx = \frac{1}{2}, then the particular solution of\frac{dy}{dx} = 2x\cos^2 yis - Q451 mark · multiple choiceThe general solution of the differential equation
\frac{dy}{dx} = \frac{y}{x}is