(7x^4)(-3x^2)= eching

$$( 7 x ^ { 4 } ) ( - 3 x ^ { 2 } ) =$$

Baholash

$$-21x^{6}$$

Yechim qadamlari

Ayni asosning daraja ko‘rsatkichlarini ko‘paytirish uchun ularning darajalarini qo‘shing. 4 va 2 ni qo‘shib, 6 ni oling.

$$7x^{6}\left(-3\right)$$

-21 hosil qilish uchun 7 va -3 ni ko'paytirish.

$$-21x^{6}$$

x ga nisbatan hosilani topish

$$-126x^{5}$$

Derivativ ifodasidan foydalanish qadamlari

Ayni asosning daraja ko‘rsatkichlarini ko‘paytirish uchun ularning darajalarini qo‘shing. 4 va 2 ni qo‘shib, 6 ni oling.

$$\frac{\mathrm{d}}{\mathrm{d}x}(7x^{6}\left(-3\right))$$

-21 hosil qilish uchun 7 va -3 ni ko'paytirish.

$$\frac{\mathrm{d}}{\mathrm{d}x}(-21x^{6})$$

ax^{n} hosilasi – nax^{n-1}.

$$6\left(-21\right)x^{6-1}$$

6 ni -21 marotabaga ko'paytirish.

$$-126x^{6-1}$$

6 dan 1 ni ayirish.

$$-126x^{5}$$