6+4r+2-9r eching

$$6 + 4 r + 2 - 9 r$$

Baholash

$$8-5r$$

Yechim qadamlari

8 olish uchun 6 va 2'ni qo'shing.

$$8+4r-9r$$

-5r ni olish uchun 4r va -9r ni birlashtirish.

$$8-5r$$

r ga nisbatan hosilani topish

$$-5$$

Yig'indi uchun derivativ qoidasidan foydalanish qadamlari

8 olish uchun 6 va 2'ni qo'shing.

$$\frac{\mathrm{d}}{\mathrm{d}r}(8+4r-9r)$$

-5r ni olish uchun 4r va -9r ni birlashtirish.

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

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

$$-5r^{1-1}$$

1 dan 1 ni ayirish.

$$-5r^{0}$$

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

$$-5$$