已知∫f(x)dx=e2x+C\int f(x)dx = e^{2x}+C∫f(x)dx=e2x+C，∫g(x)dx=2x+C\int g(x)dx=\sqrt{2x}+C∫g(x)dx=2x+C，则∫[f(x)+g(x)]dx=\int [f(x)+g(x)]dx =∫[f(x)+g(x)]dx=（ ）.
limx→+∞(x+2−x−3)\lim\limits_{x \to +\infty}(\sqrt{x + 2}-\sqrt{x - 3})x→+∞lim(x+2−x−3).
设F(x)=∫0x5tdtF(x)=\int_{0}^{x}5^{t}dtF(x)=∫0x5tdt，则F′(x)=F'(x) =F′(x)=（ ）.
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