Question

Разложить на множители 729a^3b^9-64x^9y^18

Answer 1

729a^3b^9-64x^9y^18=$9^3a^3(b^3)^3-4^3(x^3)^3(y^6)^3$=$(9ab^3-4x^3y^6)(81a^2b^6+36ab^3x^3y^6+16x^6y^{12})$