∫ (from 2 to 7) of (4112x-(2(x-2))(-x-2/2))(7/23) eching

$$\int _ { 2 } ^ { 7 } ( 4112 x - ( 2 ( x - 2 ) ) ( - \frac { x - 2 } { 2 } ) ) ( \frac { 7 } { 23 } )$$

Baholash

$$\frac{1943795}{69}\approx 28170,942028986$$

Yechim qadamlari

2 va 2 ni qisqartiring.

$$\int _{2}^{7}\left(4112x-\left(-\left(x-2\right)\left(x-2\right)\right)\right)\times \frac{7}{23}\mathrm{d}x$$

-\left(x-2\right) ga x-2 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$\int _{2}^{7}\left(4112x-\left(-\left(x-2\right)x+2x-4\right)\right)\times \frac{7}{23}\mathrm{d}x$$

-1 ga x-2 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$\int _{2}^{7}\left(4112x-\left(\left(-x+2\right)x+2x-4\right)\right)\times \frac{7}{23}\mathrm{d}x$$

-x+2 ga x ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$\int _{2}^{7}\left(4112x-\left(-x^{2}+2x+2x-4\right)\right)\times \frac{7}{23}\mathrm{d}x$$

4x ni olish uchun 2x va 2x ni birlashtirish.

$$\int _{2}^{7}\left(4112x-\left(-x^{2}+4x-4\right)\right)\times \frac{7}{23}\mathrm{d}x$$

-x^{2}+4x-4 teskarisini topish uchun har birining teskarisini toping.

$$\int _{2}^{7}\left(4112x-\left(-x^{2}\right)-4x-\left(-4\right)\right)\times \frac{7}{23}\mathrm{d}x$$

-x^{2} ning teskarisi x^{2} ga teng.

$$\int _{2}^{7}\left(4112x+x^{2}-4x-\left(-4\right)\right)\times \frac{7}{23}\mathrm{d}x$$

-4 ning teskarisi 4 ga teng.

$$\int _{2}^{7}\left(4112x+x^{2}-4x+4\right)\times \frac{7}{23}\mathrm{d}x$$

4108x ni olish uchun 4112x va -4x ni birlashtirish.

$$\int _{2}^{7}\left(4108x+x^{2}+4\right)\times \frac{7}{23}\mathrm{d}x$$

4108x+x^{2}+4 ga \frac{7}{23} ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$\int _{2}^{7}4108x\times \frac{7}{23}+x^{2}\times \frac{7}{23}+4\times \frac{7}{23}\mathrm{d}x$$

4108\times \frac{7}{23} ni yagona kasrga aylantiring.

$$\int _{2}^{7}\frac{4108\times 7}{23}x+x^{2}\times \frac{7}{23}+4\times \frac{7}{23}\mathrm{d}x$$

28756 hosil qilish uchun 4108 va 7 ni ko'paytirish.

$$\int _{2}^{7}\frac{28756}{23}x+x^{2}\times \frac{7}{23}+4\times \frac{7}{23}\mathrm{d}x$$

4\times \frac{7}{23} ni yagona kasrga aylantiring.

$$\int _{2}^{7}\frac{28756}{23}x+x^{2}\times \frac{7}{23}+\frac{4\times 7}{23}\mathrm{d}x$$

28 hosil qilish uchun 4 va 7 ni ko'paytirish.

$$\int _{2}^{7}\frac{28756}{23}x+x^{2}\times \frac{7}{23}+\frac{28}{23}\mathrm{d}x$$

Avval noaniq integralni baholang.

$$\int \frac{28756x+7x^{2}+28}{23}\mathrm{d}x$$

Summani muddatma-muddat integratsiya qiling.

$$\int \frac{28756x}{23}\mathrm{d}x+\int \frac{7x^{2}}{23}\mathrm{d}x+\int \frac{28}{23}\mathrm{d}x$$

Har bir shartda konstantani qavsdan tashqariga oling.

$$\frac{28756\int x\mathrm{d}x}{23}+\frac{7\int x^{2}\mathrm{d}x}{23}+\int \frac{28}{23}\mathrm{d}x$$

k\neq -1 uchun integral \int x^{k}\mathrm{d}x=\frac{x^{k+1}}{k+1} boʻlgani uchun, \int x\mathrm{d}x integralni \frac{x^{2}}{2} bilan almashtiring. \frac{28756}{23} ni \frac{x^{2}}{2} marotabaga ko'paytirish.

$$\frac{14378x^{2}}{23}+\frac{7\int x^{2}\mathrm{d}x}{23}+\int \frac{28}{23}\mathrm{d}x$$

k\neq -1 uchun integral \int x^{k}\mathrm{d}x=\frac{x^{k+1}}{k+1} boʻlgani uchun, \int x^{2}\mathrm{d}x integralni \frac{x^{3}}{3} bilan almashtiring. \frac{7}{23} ni \frac{x^{3}}{3} marotabaga ko'paytirish.

$$\frac{14378x^{2}}{23}+\frac{7x^{3}}{69}+\int \frac{28}{23}\mathrm{d}x$$

\int a\mathrm{d}x=ax umumiy integrallar qoidasi jadvalidan foydalanib, \frac{28}{23} integralini toping.

$$\frac{14378x^{2}}{23}+\frac{7x^{3}}{69}+\frac{28x}{23}$$

Xos integral bu integral hisoblashning yuqori chegarasida hisoblangan ifodaning boshlangʻich holatidan chiqarib tashlagan holda integral hisoblashning quyi chegarasida hisoblangan ifodaning boshlangʻich holatidir.

$$\frac{14378}{23}\times 7^{2}+\frac{7}{69}\times 7^{3}+\frac{28}{23}\times 7-\left(\frac{14378}{23}\times 2^{2}+\frac{7}{69}\times 2^{3}+\frac{28}{23}\times 2\right)$$

Qisqartirish.

$$\frac{1943795}{69}$$