definite-integral

Related Questions

• $\int_{0}^{\infty }{\frac{{{x}^{3}}\,dx}{{{({{x}^{2}}+4)}^{2}}}=}$

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• If $f(x)=\int_{a}^{x}{{{t}^{3}}{{e}^{t}}\,dt\,,}$ then $\frac{d}{dx}\,f(x)=$

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• The value of $\int_{0}^{\pi /2}{\frac{\sin x}{1+{{\cos }^{2}}x}\,dx}$ is

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• $\int_{0}^{\pi }{\frac{xdx}{1+\sin x}}$is equal to

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• $\underset{n\to \infty }{\mathop{\lim }}\,\sum\limits_{r=1}^{n}{\frac{1}{n}{{e}^{\frac{r}{n}}}}$is

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