(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

int sinh(2x) cosh(2x) dx

u= sinh (2x)

du= 2 cosh (2x)

1/2 int u du

1/2 (u^2)/2

(sinh (2x))^2 / 4

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# Integration (check my work)

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