а) (x^2+3)^2 = x^4 + 23x^2 + 3^2 = x^4 + 6x^2 + 9
б) (1-m^3)^2 = 1^2 - 21m^3 + (m^3)^2 = 1 - 2m^3 + m^6
в) (2y^2-3x^2)^2 = (2y^2)^2 - 22y^23x^2 + (3x^2)^2 = 4y^4 - 12y^2x^2 + 9x^4
г) (x^2y^2+1)^2 = (x^2y^2)^2 + 2(x^2y^2)1 + 1^2 = x^4y^4 + 2x^2y^2 + 1
а) (x^2+3)^2 = x^4 + 23x^2 + 3^2 = x^4 + 6x^2 + 9
б) (1-m^3)^2 = 1^2 - 21m^3 + (m^3)^2 = 1 - 2m^3 + m^6
в) (2y^2-3x^2)^2 = (2y^2)^2 - 22y^23x^2 + (3x^2)^2 = 4y^4 - 12y^2x^2 + 9x^4
г) (x^2y^2+1)^2 = (x^2y^2)^2 + 2(x^2y^2)1 + 1^2 = x^4y^4 + 2x^2y^2 + 1