Indefinite Integration


    \[\int \sec^{2}{\left(\frac{x}{3}\right)}\cdot e^{\tan{\left(\frac{x}{3}\right)}}\,\textrm{d}x\]

Source: March, H.W., and Wolff, H.C. (1917). Calculus. New York: McGraw-Hill. (Exercises, Question 63, p. 188)

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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