20xydivxy= eching

$$20 x y \div x y =$$

Baholash

$$20y^{2}$$

Yechim qadamlari

Surat va maxrajdagi ikkala x ni qisqartiring.

$$20yy$$

y^{2} hosil qilish uchun y va y ni ko'paytirish.

$$20y^{2}$$

y ga nisbatan hosilani topish

$$40y$$

Derivativ ifodasidan foydalanish qadamlari

Surat va maxrajdagi ikkala x ni qisqartiring.

$$\frac{\mathrm{d}}{\mathrm{d}y}(20yy)$$

y^{2} hosil qilish uchun y va y ni ko'paytirish.

$$\frac{\mathrm{d}}{\mathrm{d}y}(20y^{2})$$

ax^{n} hosilasi – nax^{n-1}.

$$2\times 20y^{2-1}$$

2 ni 20 marotabaga ko'paytirish.

$$40y^{2-1}$$

2 dan 1 ni ayirish.

$$40y^{1}$$

Har qanday t sharti uchun t^{1}=t.

$$40y$$