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Автор - daggerwin

Интеграл от Пи/3 до 0: sindx
Интеграл от 1 до 0: dx/x+2
Интеграл от √3 до 1: dx/1+x^2​

Ответ

Автор - Хуqожнuк

intlimits^{frac{pi}{3}}_0 {sinx} , dx =(-cosx) bigg |_0^frac{pi}{3}=-cosfrac{pi}{3}-(-cos0)=-cosfrac{pi}{3}+cos0=-frac{1}{2} +1=frac{1}{2}\ \\ intlimits^1_0 {frac{1}{x+2} } , dx =(ln|x+2|) bigg |^1_0=ln|1+2|-ln|0+2|=ln3-ln2=lnfrac{3}{2} \ \ \ intlimits^{sqrt{3}}_1 {frac{1}{1+x^2}} , dx =arctgx bigg |^{sqrt{3}}_1=arctgsqrt{3}-arctg1=frac{pi}{3}-frac{pi}{4}=frac{4pi-3pi}{12}=frac{pi}{12}

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