15div5/7*P eching

$$15 \div \frac { 5 } { 7 } \cdot P$$

Baholash

$$21P$$

Yechim qadamlari

15 ni \frac{5}{7} ga bo'lish 15 ga k'paytirish \frac{5}{7} ga qaytarish.

$$15\times \frac{7}{5}P$$

15\times \frac{7}{5} ni yagona kasrga aylantiring.

$$\frac{15\times 7}{5}P$$

105 hosil qilish uchun 15 va 7 ni ko'paytirish.

$$\frac{105}{5}P$$

21 ni olish uchun 105 ni 5 ga bo‘ling.

$$21P$$

P ga nisbatan hosilani topish

$$21$$

Derivativ ifodasidan foydalanish qadamlari

ax^{n} hosilasi – nax^{n-1}.

$$21P^{1-1}$$

1 dan 1 ni ayirish.

$$21P^{0}$$

Har qanday t sharti uchun (0 bundan mustasno) t^{0}=1.

$$21\times 1$$

Har qanday t sharti uchun t\times 1=t va 1t=t.

$$21$$