c: \(=\dfrac{4-2\sqrt{3}+4\sqrt{3}+4}{2}=\dfrac{8+2\sqrt{3}}{2}=4+\sqrt{3}\)
e: \(=\dfrac{3\sqrt{2}+2-3-\sqrt{2}-3\sqrt{2}-3+2+\sqrt{2}}{\left(\sqrt{2}+1\right)\left(3+\sqrt{2}\right)}\)
\(=\dfrac{-2}{\left(\sqrt{2}+1\right)\left(3+\sqrt{2}\right)}\)