Indefinite Integration

Find:

    \[\int 2^{x}\cdot 3^{3x}\cdot 7^{2x}\,\textrm{d}x\]

Source: Vietnam I (Question 3, p. 11)

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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