A18B15C12D14Answer: A. 18 Read Explanation: (3x−2y)2(x2+y3)2(3x-2y)^2(x^2+y^3)^2(3x−2y)2(x2+y3)2(9x2−12xy+4y2)(x4+2x2y3+y6)(9x^2-12xy+4y^2)(x^4+2x^2y^3+y^6)(9x2−12xy+4y2)(x4+2x2y3+y6)coefficient of x4y3x^4y^3x4y39x2×2x2y39x^2\times 2x^2y^39x2×2x2y318x4y318x^4y^318x4y3 Read more in App