Question
Evaluate and simplify the following integrals: \text { a) } \int\left(3 x+\frac{4}{x}\right) d x \text { b) } \int\left(4 e^{2 x}+\frac{e^{-2 x}}{2}\right) d x \text { c) } \int \frac{x}{\sqrt{x^{2}-9}} d x \text { d) } \int_{0}^{9}\left(\frac{5 x-29}{5 x^{2}+38 x+21}\right) d x \text { to } 3 \text { significant figu
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