Analysis and Approaches for IBDP Maths Ebook 2 | Page 176

Your Practice Set – Analysis and Approaches for IBDP Mathematics
1�
2x
4. Let f( x)
�
2
x �2x�15
(a) Write down lim f( x)
.
x��
, x �� 5, x � 3.
(b) Express f( x ) in partial fractions.
(c)
Hence, find
b� .
12
� f ( x )dx
, giving the answer in the form aln17 � bln9
, where a ,
4
[1]
[4]
[2]
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