Power Series

Expand \ln{\displaystyle \left(1+x\right)\left(1-x\right)} as far as the third term and state the values of x for which the expansions are valid.

Source: Porter, R.I. (1963). Further Elementary Analysis (2nd ed.). London: G. Bell & Sons. (Examples 3b, Question 9, p. 43)

Author: ascklee

Dr. Lee teaches at the Wee Kim Wee School of Communication and Information at the Nanyang Technological University in Singapore. He founded The Mathematics Digital Library in 2013.

Leave a Reply