Whakaoti i te ∫ (from 2 to 7) of (4112x-(2(x-2))(-x-2/2))(7/23)

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

Aromātai

$$\frac{1943795}{69}\approx 28170.942028986$$

Ngā Upane Otinga

Me whakakore te 2 me te 2.

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

Whakamahia te āhuatanga tohatoha hei whakarea te -\left(x-2\right) ki te x-2.

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

Whakamahia te āhuatanga tohatoha hei whakarea te -1 ki te x-2.

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

Whakamahia te āhuatanga tohatoha hei whakarea te -x+2 ki te x.

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

Pahekotia te 2x me 2x, ka 4x.

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

Hei kimi i te tauaro o -x^{2}+4x-4, kimihia te tauaro o ia taurangi.

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

Ko te tauaro o -x^{2} ko x^{2}.

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

Ko te tauaro o -4 ko 4.

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

Pahekotia te 4112x me -4x, ka 4108x.

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

Whakamahia te āhuatanga tohatoha hei whakarea te 4108x+x^{2}+4 ki te \frac{7}{23}.

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

Tuhia te 4108\times \frac{7}{23} hei hautanga kotahi.

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

Whakareatia te 4108 ki te 7, ka 28756.

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

Tuhia te 4\times \frac{7}{23} hei hautanga kotahi.

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

Whakareatia te 4 ki te 7, ka 28.

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

Aromātaitia te tau tōpū tautuhi-kore i te tuatahi.

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

Kōmitimititia te kīanga tapeke mā te kīanga.

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

Whakatauwehea te pūmau i ēnei kīanga katoa.

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

Nā te mea \int x^{k}\mathrm{d}x=\frac{x^{k+1}}{k+1} mō te k\neq -1, me whakakapi \int x\mathrm{d}x ki te \frac{x^{2}}{2}. Whakareatia \frac{28756}{23} ki te \frac{x^{2}}{2}.

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

Nā te mea \int x^{k}\mathrm{d}x=\frac{x^{k+1}}{k+1} mō te k\neq -1, me whakakapi \int x^{2}\mathrm{d}x ki te \frac{x^{3}}{3}. Whakareatia \frac{7}{23} ki te \frac{x^{3}}{3}.

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

Kimihia te tau tōpū o \frac{28}{23} mā te whakamahi i te ture mō te ripanga o ngā tau tōpū pātahi \int a\mathrm{d}x=ax.

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

Ko te tau tōpū tautuhi ko te pārōnaki kōaro o te kīanga i aromātaitia i te tepe tōrunga o te pāwhaitua, tangohia te pārōnaki kōaro i aromātaitia i te tepe tōraro o te pāwhaitua.

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

Whakarūnātia.

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