frac{4sqrt{3}}{2-sqrt{2}}-30/4sqrt{3-sqrt{18}}-frac{sqrt{18}}{3-sqrt{12}} eching

$$\frac { 4 \sqrt { 3 } } { 2 - \sqrt { 2 } } - \frac { 30 } { 4 \sqrt { 3 } - \sqrt { 18 } } - \frac { \sqrt { 18 } } { 3 - \sqrt { 12 } }$$

Baholash

$$4\sqrt{6}\approx 9,797958971$$

Qisqa yechim qadamlari

\frac{4\sqrt{3}}{2-\sqrt{2}} maxrajini 2+\sqrt{2} orqali surat va maxrajini koʻpaytirish orqali ratsionallashtiring.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{\left(2-\sqrt{2}\right)\left(2+\sqrt{2}\right)}-\frac{30}{4\sqrt{3}-\sqrt{18}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

Hisoblang: \left(2-\sqrt{2}\right)\left(2+\sqrt{2}\right). Ko‘paytirish qoida yordamida turli kvadratlarga aylantirilishi mumkin: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2^{2}-\left(\sqrt{2}\right)^{2}}-\frac{30}{4\sqrt{3}-\sqrt{18}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

2 kvadratini chiqarish. \sqrt{2} kvadratini chiqarish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{4-2}-\frac{30}{4\sqrt{3}-\sqrt{18}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

2 olish uchun 4 dan 2 ni ayirish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30}{4\sqrt{3}-\sqrt{18}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

Faktor: 18=3^{2}\times 2. \sqrt{3^{2}\times 2} koʻpaytmasining kvadrat ildizini \sqrt{3^{2}}\sqrt{2} kvadrat ildizlarining koʻpaytmasi sifatida qayta yozing. 3^{2} ning kvadrat ildizini chiqarish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30}{4\sqrt{3}-3\sqrt{2}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

\frac{30}{4\sqrt{3}-3\sqrt{2}} maxrajini 4\sqrt{3}+3\sqrt{2} orqali surat va maxrajini koʻpaytirish orqali ratsionallashtiring.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30\left(4\sqrt{3}+3\sqrt{2}\right)}{\left(4\sqrt{3}-3\sqrt{2}\right)\left(4\sqrt{3}+3\sqrt{2}\right)}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

Hisoblang: \left(4\sqrt{3}-3\sqrt{2}\right)\left(4\sqrt{3}+3\sqrt{2}\right). Ko‘paytirish qoida yordamida turli kvadratlarga aylantirilishi mumkin: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30\left(4\sqrt{3}+3\sqrt{2}\right)}{\left(4\sqrt{3}\right)^{2}-\left(-3\sqrt{2}\right)^{2}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

\left(4\sqrt{3}\right)^{2} ni kengaytirish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30\left(4\sqrt{3}+3\sqrt{2}\right)}{4^{2}\left(\sqrt{3}\right)^{2}-\left(-3\sqrt{2}\right)^{2}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

2 daraja ko‘rsatkichini 4 ga hisoblang va 16 ni qiymatni oling.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30\left(4\sqrt{3}+3\sqrt{2}\right)}{16\left(\sqrt{3}\right)^{2}-\left(-3\sqrt{2}\right)^{2}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

\sqrt{3} kvadrati – 3.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30\left(4\sqrt{3}+3\sqrt{2}\right)}{16\times 3-\left(-3\sqrt{2}\right)^{2}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

48 hosil qilish uchun 16 va 3 ni ko'paytirish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30\left(4\sqrt{3}+3\sqrt{2}\right)}{48-\left(-3\sqrt{2}\right)^{2}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

\left(-3\sqrt{2}\right)^{2} ni kengaytirish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30\left(4\sqrt{3}+3\sqrt{2}\right)}{48-\left(-3\right)^{2}\left(\sqrt{2}\right)^{2}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

2 daraja ko‘rsatkichini -3 ga hisoblang va 9 ni qiymatni oling.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30\left(4\sqrt{3}+3\sqrt{2}\right)}{48-9\left(\sqrt{2}\right)^{2}}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

\sqrt{2} kvadrati – 2.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30\left(4\sqrt{3}+3\sqrt{2}\right)}{48-9\times 2}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

18 hosil qilish uchun 9 va 2 ni ko'paytirish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30\left(4\sqrt{3}+3\sqrt{2}\right)}{48-18}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

30 olish uchun 48 dan 18 ni ayirish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\frac{30\left(4\sqrt{3}+3\sqrt{2}\right)}{30}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

30 va 30 ni qisqartiring.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-\left(4\sqrt{3}+3\sqrt{2}\right)-\frac{\sqrt{18}}{3-\sqrt{12}}$$

4\sqrt{3}+3\sqrt{2} teskarisini topish uchun har birining teskarisini toping.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}-\frac{\sqrt{18}}{3-\sqrt{12}}$$

Faktor: 18=3^{2}\times 2. \sqrt{3^{2}\times 2} koʻpaytmasining kvadrat ildizini \sqrt{3^{2}}\sqrt{2} kvadrat ildizlarining koʻpaytmasi sifatida qayta yozing. 3^{2} ning kvadrat ildizini chiqarish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}-\frac{3\sqrt{2}}{3-\sqrt{12}}$$

Faktor: 12=2^{2}\times 3. \sqrt{2^{2}\times 3} koʻpaytmasining kvadrat ildizini \sqrt{2^{2}}\sqrt{3} kvadrat ildizlarining koʻpaytmasi sifatida qayta yozing. 2^{2} ning kvadrat ildizini chiqarish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}-\frac{3\sqrt{2}}{3-2\sqrt{3}}$$

\frac{3\sqrt{2}}{3-2\sqrt{3}} maxrajini 3+2\sqrt{3} orqali surat va maxrajini koʻpaytirish orqali ratsionallashtiring.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}-\frac{3\sqrt{2}\left(3+2\sqrt{3}\right)}{\left(3-2\sqrt{3}\right)\left(3+2\sqrt{3}\right)}$$

Hisoblang: \left(3-2\sqrt{3}\right)\left(3+2\sqrt{3}\right). Ko‘paytirish qoida yordamida turli kvadratlarga aylantirilishi mumkin: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.

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

2 daraja ko‘rsatkichini 3 ga hisoblang va 9 ni qiymatni oling.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}-\frac{3\sqrt{2}\left(3+2\sqrt{3}\right)}{9-\left(-2\sqrt{3}\right)^{2}}$$

\left(-2\sqrt{3}\right)^{2} ni kengaytirish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}-\frac{3\sqrt{2}\left(3+2\sqrt{3}\right)}{9-\left(-2\right)^{2}\left(\sqrt{3}\right)^{2}}$$

2 daraja ko‘rsatkichini -2 ga hisoblang va 4 ni qiymatni oling.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}-\frac{3\sqrt{2}\left(3+2\sqrt{3}\right)}{9-4\left(\sqrt{3}\right)^{2}}$$

\sqrt{3} kvadrati – 3.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}-\frac{3\sqrt{2}\left(3+2\sqrt{3}\right)}{9-4\times 3}$$

12 hosil qilish uchun 4 va 3 ni ko'paytirish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}-\frac{3\sqrt{2}\left(3+2\sqrt{3}\right)}{9-12}$$

-3 olish uchun 9 dan 12 ni ayirish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}-\frac{3\sqrt{2}\left(3+2\sqrt{3}\right)}{-3}$$

-3 va -3 ni qisqartiring.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}-\left(-\sqrt{2}\left(3+2\sqrt{3}\right)\right)$$

-\sqrt{2}\left(3+2\sqrt{3}\right) ning teskarisi \sqrt{2}\left(3+2\sqrt{3}\right) ga teng.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}-4\sqrt{3}-3\sqrt{2}+\sqrt{2}\left(3+2\sqrt{3}\right)$$

Ifodalarni qo‘shish yoki ayirish uchun ularni yoyib, maxrajlarini bir xil qiling. -4\sqrt{3}-3\sqrt{2} ni \frac{2}{2} marotabaga ko'paytirish.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2}+\frac{2\left(-4\sqrt{3}-3\sqrt{2}\right)}{2}+\sqrt{2}\left(3+2\sqrt{3}\right)$$

\frac{4\sqrt{3}\left(2+\sqrt{2}\right)}{2} va \frac{2\left(-4\sqrt{3}-3\sqrt{2}\right)}{2} da bir xil maxraji bor, ularning suratini qo‘shish orqali qo‘shing.

$$\frac{4\sqrt{3}\left(2+\sqrt{2}\right)+2\left(-4\sqrt{3}-3\sqrt{2}\right)}{2}+\sqrt{2}\left(3+2\sqrt{3}\right)$$

4\sqrt{3}\left(2+\sqrt{2}\right)+2\left(-4\sqrt{3}-3\sqrt{2}\right) ichidagi ko‘paytirishlarni bajaring.

$$\frac{8\sqrt{3}+4\sqrt{6}-8\sqrt{3}-6\sqrt{2}}{2}+\sqrt{2}\left(3+2\sqrt{3}\right)$$

8\sqrt{3}+4\sqrt{6}-8\sqrt{3}-6\sqrt{2} hisob-kitobini qiling.

$$\frac{4\sqrt{6}-6\sqrt{2}}{2}+\sqrt{2}\left(3+2\sqrt{3}\right)$$

2\sqrt{6}-3\sqrt{2} natijani olish uchun 4\sqrt{6}-6\sqrt{2} ning har bir ifodasini 2 ga bo‘ling.

$$2\sqrt{6}-3\sqrt{2}+\sqrt{2}\left(3+2\sqrt{3}\right)$$

\sqrt{2} ga 3+2\sqrt{3} ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$2\sqrt{6}-3\sqrt{2}+3\sqrt{2}+2\sqrt{2}\sqrt{3}$$

\sqrt{2} va \sqrt{3} ni koʻpaytirish uchun kvadrat ildiz ichidagi sonlarni koʻpaytiring.

$$2\sqrt{6}-3\sqrt{2}+3\sqrt{2}+2\sqrt{6}$$

0 ni olish uchun -3\sqrt{2} va 3\sqrt{2} ni birlashtirish.

$$2\sqrt{6}+2\sqrt{6}$$

4\sqrt{6} ni olish uchun 2\sqrt{6} va 2\sqrt{6} ni birlashtirish.

$$4\sqrt{6}$$