indefinite-integration

Related Questions

• Let $f(x)=\int{\frac{{{x}^{2}}dx}{(1+{{x}^{2}})\,\left( 1+\sqrt{1+{{x}^{2}}} \right)}}$and $f(0)=0$, then the value of $f(1)$ be

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• $\int_{{}}^{{}}{\frac{1}{x\sqrt{{{x}^{2}}-1}}\ dx=}$

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• $\int_{{}}^{{}}{\frac{{{x}^{2}}-1}{{{x}^{4}}+{{x}^{2}}+1}\ dx=}$

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• $\int_{{}}^{{}}{x{{\sin }^{2}}x\ dx=}$

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• $\int_{{}}^{{}}{\frac{dx}{2{{x}^{2}}+x+1}}\ $equals

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