Whakaoti i te 3(frac{7+2sqrt{10}}{3})^2+4*(frac{7+2sqrt{10}}{3})*(frac{7-2sqrt{10}}{3})-3*(frac{7-2sqrt{10}}{3})^2

$$3 ( \frac { 7 + 2 \sqrt { 10 } } { 3 } ) ^ { 2 } + 4 \times ( \frac { 7 + 2 \sqrt { 10 } } { 3 } ) \times ( \frac { 7 - 2 \sqrt { 10 } } { 3 } ) - 3 \times ( \frac { 7 - 2 \sqrt { 10 } } { 3 } ) ^ { 2 }$$

Aromātai

$$\frac{56\sqrt{10}}{3}+4\approx 63.02918299$$

Ngā Hipanga Rongoā Poto

Kia whakarewa i te \frac{7+2\sqrt{10}}{3} ki tētahi taupū, me whakarewa tahi te taurunga me te tauraro ki te taupū kātahi ka whakawehe.

$$3\times \frac{\left(7+2\sqrt{10}\right)^{2}}{3^{2}}+4\times \frac{7+2\sqrt{10}}{3}\times \frac{7-2\sqrt{10}}{3}-3\times \left(\frac{7-2\sqrt{10}}{3}\right)^{2}$$

Tuhia te 3\times \frac{\left(7+2\sqrt{10}\right)^{2}}{3^{2}} hei hautanga kotahi.

$$\frac{3\left(7+2\sqrt{10}\right)^{2}}{3^{2}}+4\times \frac{7+2\sqrt{10}}{3}\times \frac{7-2\sqrt{10}}{3}-3\times \left(\frac{7-2\sqrt{10}}{3}\right)^{2}$$

Me whakakore tahi te 3 i te taurunga me te tauraro.

$$\frac{\left(2\sqrt{10}+7\right)^{2}}{3}+4\times \frac{7+2\sqrt{10}}{3}\times \frac{7-2\sqrt{10}}{3}-3\times \left(\frac{7-2\sqrt{10}}{3}\right)^{2}$$

Tuhia te 4\times \frac{7+2\sqrt{10}}{3} hei hautanga kotahi.

$$\frac{\left(2\sqrt{10}+7\right)^{2}}{3}+\frac{4\left(7+2\sqrt{10}\right)}{3}\times \frac{7-2\sqrt{10}}{3}-3\times \left(\frac{7-2\sqrt{10}}{3}\right)^{2}$$

Me whakarea te \frac{4\left(7+2\sqrt{10}\right)}{3} ki te \frac{7-2\sqrt{10}}{3} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.

$$\frac{\left(2\sqrt{10}+7\right)^{2}}{3}+\frac{4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-3\times \left(\frac{7-2\sqrt{10}}{3}\right)^{2}$$

Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Ko te taurea pātahi iti rawa o 3 me 3\times 3 ko 3\times 3. Whakareatia \frac{\left(2\sqrt{10}+7\right)^{2}}{3} ki te \frac{3}{3}.

$$\frac{3\left(2\sqrt{10}+7\right)^{2}}{3\times 3}+\frac{4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-3\times \left(\frac{7-2\sqrt{10}}{3}\right)^{2}$$

Tā te mea he rite te tauraro o \frac{3\left(2\sqrt{10}+7\right)^{2}}{3\times 3} me \frac{4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$\frac{3\left(2\sqrt{10}+7\right)^{2}+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-3\times \left(\frac{7-2\sqrt{10}}{3}\right)^{2}$$

Kia whakarewa i te \frac{7-2\sqrt{10}}{3} ki tētahi taupū, me whakarewa tahi te taurunga me te tauraro ki te taupū kātahi ka whakawehe.

$$\frac{3\left(2\sqrt{10}+7\right)^{2}+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-3\times \frac{\left(7-2\sqrt{10}\right)^{2}}{3^{2}}$$

Tuhia te 3\times \frac{\left(7-2\sqrt{10}\right)^{2}}{3^{2}} hei hautanga kotahi.

$$\frac{3\left(2\sqrt{10}+7\right)^{2}+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-\frac{3\left(7-2\sqrt{10}\right)^{2}}{3^{2}}$$

Me whakakore tahi te 3 i te taurunga me te tauraro.

$$\frac{3\left(2\sqrt{10}+7\right)^{2}+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-\frac{\left(-2\sqrt{10}+7\right)^{2}}{3}$$

Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(-2\sqrt{10}+7\right)^{2}.

$$\frac{3\left(2\sqrt{10}+7\right)^{2}+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-\frac{4\left(\sqrt{10}\right)^{2}-28\sqrt{10}+49}{3}$$

Ko te pūrua o \sqrt{10} ko 10.

$$\frac{3\left(2\sqrt{10}+7\right)^{2}+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-\frac{4\times 10-28\sqrt{10}+49}{3}$$

Whakareatia te 4 ki te 10, ka 40.

$$\frac{3\left(2\sqrt{10}+7\right)^{2}+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-\frac{40-28\sqrt{10}+49}{3}$$

Tāpirihia te 40 ki te 49, ka 89.

$$\frac{3\left(2\sqrt{10}+7\right)^{2}+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-\frac{89-28\sqrt{10}}{3}$$

Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Ko te taurea pātahi iti rawa o 3\times 3 me 3 ko 3\times 3. Whakareatia \frac{89-28\sqrt{10}}{3} ki te \frac{3}{3}.

$$\frac{3\left(2\sqrt{10}+7\right)^{2}+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-\frac{3\left(89-28\sqrt{10}\right)}{3\times 3}$$

Tā te mea he rite te tauraro o \frac{3\left(2\sqrt{10}+7\right)^{2}+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3} me \frac{3\left(89-28\sqrt{10}\right)}{3\times 3}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{3\left(2\sqrt{10}+7\right)^{2}+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)-3\left(89-28\sqrt{10}\right)}{3\times 3}$$

Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(2\sqrt{10}+7\right)^{2}.

$$\frac{3\left(4\left(\sqrt{10}\right)^{2}+28\sqrt{10}+49\right)+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-\frac{89-28\sqrt{10}}{3}$$

Ko te pūrua o \sqrt{10} ko 10.

$$\frac{3\left(4\times 10+28\sqrt{10}+49\right)+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-\frac{89-28\sqrt{10}}{3}$$

Whakareatia te 4 ki te 10, ka 40.

$$\frac{3\left(40+28\sqrt{10}+49\right)+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-\frac{89-28\sqrt{10}}{3}$$

Tāpirihia te 40 ki te 49, ka 89.

$$\frac{3\left(89+28\sqrt{10}\right)+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{3\times 3}-\frac{89-28\sqrt{10}}{3}$$

Whakareatia te 3 ki te 3, ka 9.

$$\frac{3\left(89+28\sqrt{10}\right)+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{9}-\frac{89-28\sqrt{10}}{3}$$

Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Ko te taurea pātahi iti rawa o 9 me 3 ko 9. Whakareatia \frac{89-28\sqrt{10}}{3} ki te \frac{3}{3}.

$$\frac{3\left(89+28\sqrt{10}\right)+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{9}-\frac{3\left(89-28\sqrt{10}\right)}{9}$$

Tā te mea he rite te tauraro o \frac{3\left(89+28\sqrt{10}\right)+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)}{9} me \frac{3\left(89-28\sqrt{10}\right)}{9}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{3\left(89+28\sqrt{10}\right)+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)-3\left(89-28\sqrt{10}\right)}{9}$$

Mahia ngā whakarea i roto o 3\left(89+28\sqrt{10}\right)+4\left(7+2\sqrt{10}\right)\left(7-2\sqrt{10}\right)-3\left(89-28\sqrt{10}\right).

$$\frac{267+84\sqrt{10}+196-56\sqrt{10}+56\sqrt{10}-160-267+84\sqrt{10}}{9}$$

Mahia ngā tātaitai i roto o 267+84\sqrt{10}+196-56\sqrt{10}+56\sqrt{10}-160-267+84\sqrt{10}.

$$\frac{36+168\sqrt{10}}{9}$$

Tauwehe

$$\frac{4 {(14 \sqrt{10} + 3)}}{3} = 63.029182989809755$$