• 2022-06-18
    求多项式[img=258x27]17de9124b2c58e4.png[/img]中变量[img=11x14]17de5fbe7011053.png[/img]的最高次幂系数应输入
    A: poly=(x^2*y+2y)^3+5x^6*y^2+2x^2Coefficient[poly,x^[Exponent[poly,x]]]
    B: poly=(x^2*y+2y)^3+5x^6*y^2+2x^2Coefficient[poly,x^(Exponent[poly,x])]
    C: poly=(x^2y+2y)^3+5x^6y^2+2x^2Coefficient[poly,x^[Exponent[poly,x]]]
    D: poly=(x^2*y+2y)^3+5x^6*y^2+2x^2Exponent[poly,x];Coefficient[poly,%]