8a^3/4a*6b/7b^4 eching

$$\frac { 8 a ^ { 3 } } { 4 a } \cdot \frac { 6 b } { 7 b ^ { 4 } }$$

Baholash

$$\frac{12a^{2}}{7b^{3}}$$

Yechim qadamlari

Surat va maxrajdagi ikkala 4a ni qisqartiring.

$$2a^{2}\times \frac{6b}{7b^{4}}$$

Surat va maxrajdagi ikkala b ni qisqartiring.

$$2a^{2}\times \frac{6}{7b^{3}}$$

2\times \frac{6}{7b^{3}} ni yagona kasrga aylantiring.

$$\frac{2\times 6}{7b^{3}}a^{2}$$

12 hosil qilish uchun 2 va 6 ni ko'paytirish.

$$\frac{12}{7b^{3}}a^{2}$$

\frac{12}{7b^{3}}a^{2} ni yagona kasrga aylantiring.

$$\frac{12a^{2}}{7b^{3}}$$

b ga nisbatan hosilani topish

$$-\frac{36a^{2}}{7b^{4}}$$