Analysis and Approaches for IBDP Maths Ebook 2 | Page 209

��
�
4. (a) By successive differentiation, find the Maclaurin series of f ( x) �cot � ( x �1)
�
� 2 � ,
(b)
as far as the term in
2
x .
Hence, use this series to find an approximate value of
1.5
� f ( t )dt
.
1
[6]
[2]
14
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