Analysis and Approaches for IBDP Maths Ebook 2 | Página 292
Your Practice Set – Analysis and Approaches for IBDP Mathematics
Exercise 53
53.1 (a)
(b)
53.2 (a)
1 1
� �
6( x�2) 6( x�4)
1 1
� ln( x � 2) � ln( x � 4) � C
6 6
3 3
� �
5x
5( x�
5)
(b)
3 6
� ln11�
ln 6
5 5
53.3 (a) x �� 2, x �� 1
(b)
2 3
� �
x�2 x�1
(c) �2ln7 �5ln6 � 3ln5
53.4 (a) 0
(b)
11 5
� �
8( x�5) 8( x�3)
(c)
Exercise 54
11 3
� ln17 � ln 9
8 4
54.1 Refer to solution
54.2 k � 12
54.3 (a)
(b)
54.4 (a)
(b)
Chapter 13
Exercise 55
55.1 3
55.2
4
3e � 1
55.3 k � 2
55.4 k � 3
�x � 2x �8 � 9 �( x � 1)
2 2
Refer to solution
2 2
x �8x � 20 � ( x � 4) � 4
Refer to solution
Exercise 56
56.1
2(3 � 3) �
3
56.2
� 2
4
( 1)
2 e � �
56.3 Refer to solution
56.4 Refer to solution
Exercise 57
57.1 (a) Refer to solution
(b) Refer to solution
(c) (i) �x: 0 � x�
2�
�
(ii) f ( x) � 4arccos
x
(d)
4�
a �
3
57.2 (a) Refer to solution
�1 1
(b) (i) �x :0� x � a�
(ii)
�1 2 1
f ( x)
� a �
2
x
(c)
2�
3
(d) Refer to solution
57.3 (a) Refer to solution
(b)
�1
x
f ( x) � log 2
(c)
1
� �
y��2ln 3�3 ln3
�x
� �
(d) Refer to solution
57.4 (a) Refer to solution
(b)
f
1 ( x) � 2
�
(c) k � 1
(d)
(e)
2
e �
x
k
1
ln 2
Refer to solution
3
282
SE Production Limited