frac{5^{-2}b^{7}c^4}{4^-3b^2c^8} eching

$$\frac { 5 ^ { - 2 } b ^ { 7 } c ^ { 4 } } { 4 ^ { - 3 } b ^ { 2 } c ^ { 8 } }$$

Baholash

$$\frac{64b^{5}}{25c^{4}}$$

Tartib xususiyati koeffitsientidan foydalanish qadamlari

Ifodani qisqartirish uchun eksponent qoidalaridan foydalanish.

$$\frac{5^{-2}b^{7}c^{4}}{4^{-3}b^{2}c^{8}}$$

Ayni asosning daraja ko'rsatkichi bo'lish uchun maxrajning darajasini surat darajasidan bo'ling.

$$\frac{5^{-2}}{4^{-3}}b^{7-2}c^{4-8}$$

7 dan 2 ni ayirish.

$$\frac{5^{-2}}{4^{-3}}b^{5}c^{4-8}$$

4 dan 8 ni ayirish.

$$\frac{5^{-2}}{4^{-3}}b^{5}c^{-4}$$

\frac{1}{25} ni \frac{1}{64} ga bo'lish \frac{1}{25} ga k'paytirish \frac{1}{64} ga qaytarish.

$$\frac{64}{25}b^{5}\times \frac{1}{c^{4}}$$

c ga nisbatan hosilani topish

$$-\frac{256\times \left(\frac{b}{c}\right)^{5}}{25}$$