7^2-3x-2-7 eching

$$7 ^ { 2 } - 3 x - 2 - 7$$

Baholash

$$40-3x$$

Yechim qadamlari

2 daraja ko‘rsatkichini 7 ga hisoblang va 49 ni qiymatni oling.

$$49-3x-2-7$$

47 olish uchun 49 dan 2 ni ayirish.

$$47-3x-7$$

40 olish uchun 47 dan 7 ni ayirish.

$$40-3x$$

x ga nisbatan hosilani topish

$$-3$$

Yig'indi uchun derivativ qoidasidan foydalanish qadamlari

2 daraja ko‘rsatkichini 7 ga hisoblang va 49 ni qiymatni oling.

$$\frac{\mathrm{d}}{\mathrm{d}x}(49-3x-2-7)$$

47 olish uchun 49 dan 2 ni ayirish.

$$\frac{\mathrm{d}}{\mathrm{d}x}(47-3x-7)$$

40 olish uchun 47 dan 7 ni ayirish.

$$\frac{\mathrm{d}}{\mathrm{d}x}(40-3x)$$

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

$$-3x^{1-1}$$

1 dan 1 ni ayirish.

$$-3x^{0}$$

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

$$-3$$