\begin{array}{c}{\text { (or integral) of the following fu }} \\ {\text { 2. } \cos 3 x \text { . }} \\ {\text { 5. } \sin 2 x-4 e^{3 x}} \\ {\text { egrals in Exercises } 6 \text { to } 20 \text { : }} \\ {\text { 7. } \int x^{2}\left(1-\frac{1}{x^{2}}\right) d x} \\ {\text { 10. } \int\left(\sqrt{x}-\frac{1}{\sqrt{x}}\right)^{2} d x}\end{array}

\begin{array}{c}{\text { (or integral) of the following fu }} \\ {\tex

1.	\begin{array}{c}{\text { (or integral) of the following fu }} \\ {\text { 2. } \cos 3 x \text { . }} \\ {\text { 5. } \sin 2 x-4 e^{3 x}} \\ {\text { egrals in Exercises } 6 \text { to } 20 \text { : }} \\ {\text { 7. } \int x^{2}\left(1-\frac{1}{x^{2}}\right) d x} \\ {\text { 10. } \int\left(\sqrt{x}-\frac{1}{\sqrt{x}}\right)^{2} d x}\end{array}
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