fun-lim

Related Questions

• $\underset{n\to \infty }{\mathop{\lim }}\,\frac{1}{2}+\frac{1}{{{2}^{2}}}+\frac{1}{{{2}^{3}}}+...+\frac{1}{{{2}^{n}}}$ equals

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• The value of $\underset{x\to 0}{\mathop{\lim }}\,\,\left[ \frac{\sqrt{a+x}-\sqrt{a-x}}{x} \right]$ is

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• The value of $\underset{x\to 0}{\mathop{\lim }}\,\frac{\int_{0}^{x}{\cos {{t}^{2}}}}{x}\,dt$ is

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• If $f(a)=2,\ f'(a)=1,\ g(a)=-1;\ g'(a)=2$ , then $\underset{x\to a}{\mathop{\lim }}\,\frac{g(x)f(a)-g(a)f(x)}{x-a}=$

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• The range of $f(x)=\cos x-\sin x$ is

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