(3a^2-1)^2 eching

$$( 3 a ^ { 2 } - 1 ) ^ { 2 }$$

Kengaytirish

$$9a^{4}-6a^{2}+1$$

Yechim qadamlari

\left(p-q\right)^{2}=p^{2}-2pq+q^{2} binom teoremasini \left(3a^{2}-1\right)^{2} kengaytirilishi uchun ishlating.

$$9\left(a^{2}\right)^{2}-6a^{2}+1$$

Daraja ko‘rsatkichini boshqa ko‘rsatkichga oshirish uchun, darajalarini ko‘paytiring. 2 va 2 ni ko‘paytirib, 4 ni oling.

$$9a^{4}-6a^{2}+1$$

Baholash

$$\left(3a^{2}-1\right)^{2}$$

Yechim qadamlari

\left(p-q\right)^{2}=p^{2}-2pq+q^{2} binom teoremasini \left(3a^{2}-1\right)^{2} kengaytirilishi uchun ishlating.

$$9\left(a^{2}\right)^{2}-6a^{2}+1$$

Daraja ko‘rsatkichini boshqa ko‘rsatkichga oshirish uchun, darajalarini ko‘paytiring. 2 va 2 ni ko‘paytirib, 4 ni oling.

$$9a^{4}-6a^{2}+1$$