9y-7y+9-2 eching

$$9 y - 7 y + 9 - 2$$

Baholash

$$2y+7$$

Yechim qadamlari

2y ni olish uchun 9y va -7y ni birlashtirish.

$$2y+9-2$$

7 olish uchun 9 dan 2 ni ayirish.

$$2y+7$$

y ga nisbatan hosilani topish

$$2$$

Yig'indi uchun derivativ qoidasidan foydalanish qadamlari

2y ni olish uchun 9y va -7y ni birlashtirish.

$$\frac{\mathrm{d}}{\mathrm{d}y}(2y+9-2)$$

7 olish uchun 9 dan 2 ni ayirish.

$$\frac{\mathrm{d}}{\mathrm{d}y}(2y+7)$$

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

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

1 dan 1 ni ayirish.

$$2y^{0}$$

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

$$2\times 1$$

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

$$2$$