2007 H2 MATHEMATICS
PAPER 1
1
2
2 x 2 x 19
x 2 4 x 21
1 = 2
.
x 2 + 3x + 2
x + 3x + 2
Hence, without using a calculator, solve the inequality
2 x 2 x 19
> 1.
x 2 + 3x + 2
Show that
[1]
[4]
Functions f and g are defined by
1
for x , x 3.
f:x
x 3
g:x
x2 for
ANNEX B
2010 A level P2 Ans
Qn/No Topic Set
1
Complex Numbers
2
3
Answers
(i) x = 3 5i
(ii) a = 16 , b = 20, roots are 2, 2 and 2 i.
MI and Series
3
(iib)
4
Differentiation application
dy
3x + 4
4
(i)
=
, x=
and standard graph
dx 2 x + 2
3
(iia) 2
(iib)
(
ANNEX B
2009 A level P2 Ans
Qn/No Topic Set
Answers
1
Differentiation Application
2
Vectors
(ii) y = 2 x 12
(iii) ( 3, 18 )
(i) (12, 4, 6 )
(iii) ac is the length of projection of a onto OP
(iv) a p is the area of parallelogram (or twice the
3
Function
4
ANNEX B
2009 A level P1 Ans
Qn/No Topic Set
1
SOLE
2
Integration Techniques
3
Summation
4
Function
5
MI
6
Answers
3
17
a = , b =
and c =17
2
2
2
p =
3ln 3
1 1 1
1
( +
)
2 2 n n +1
2
(i) 11 (iii) 36 unit2
3
Standard Graphs
7
Maclaurin Expansion
8
APGP
9
Co
2008 H2 MATHEMATICS PAPER 1 (9740)
1.
y
4
a
O
1
2
x
The diagram shows the curve with equation y = x2. The area of the region bounded by the
curve, the lines x = 1, x = 2 and the x axis is equal to the area of the region bounded by the
curve, the lines y =
2008 H2 MATHEMATICS PAPER 1 (9740)
1.
y
4
a
O
1
2
x
The diagram shows the curve with equation y = x2. The area of the region bounded by the
curve, the lines x = 1, x = 2 and the x axis is equal to the area of the region bounded by the
curve, the lines y =
2008 Cambridge (9746) Chemistry November Paper 3 Discussion
1(a)
Bond energy is the energy to break one mole of
covalent bonds between two atoms in the gaseous
phase/state.
1(b)(i)
Heating is required. (Do not mention catalyst)
1(b)(ii) The extent of this
ANNEX B
2010 A level P1 Ans
Qn/No Topic Set
1
Vectors
Answers
3
(i)
7
5
(i) 1 + 3 x + x 2 +
2
9
(ii) n =
4
(i) 4n + c 2
(ii) un +1 = un + 4
2
Maclaurin Expansion
3
Recurrence relation
4
Differentiation Application
5
2 , 2 , 2 , 2
Transformation of Graph