Indefinite Integration

Find:

    \[\int \frac{1}{\sqrt{x-1}+\sqrt{x+1}}\,\textrm{d}x\]

Source: Spivak, M. (1967). Calculus (1st ed.). New York: W.A. Benjamin. (Problems, Question 1(ii), p. 320)

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.

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