(3y-5)+(2y-8)=? eching

$$( 3 y - 5 ) + ( 2 y - 8 ) = ?$$

Baholash

$$5y-13$$

Yechim qadamlari

5y ni olish uchun 3y va 2y ni birlashtirish.

$$5y-5-8$$

-13 olish uchun -5 dan 8 ni ayirish.

$$5y-13$$

y ga nisbatan hosilani topish

$$5$$

Yig'indi uchun derivativ qoidasidan foydalanish qadamlari

5y ni olish uchun 3y va 2y ni birlashtirish.

$$\frac{\mathrm{d}}{\mathrm{d}y}(5y-5-8)$$

-13 olish uchun -5 dan 8 ni ayirish.

$$\frac{\mathrm{d}}{\mathrm{d}y}(5y-13)$$

Polinomialning hosilasi bu uning shartlari hosilasining yig‘indisiga teng. Konstant shartning hosilasi 0. ax^{n} ning hosilasi nax^{n-1}.

$$5y^{1-1}$$

1 dan 1 ni ayirish.

$$5y^{0}$$

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

$$5\times 1$$

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

$$5$$