已知f(x)=6x^5+4x^4-3x^3+2x^2,g(x)=f(x)/(-1/2x)

解
g(x)=f(x)/(-1/2x)
=-2f(x)/x
=-2(6x^4+4x³-3x²+2x)
=-12x^4-8x³+6x²-4x
g(1)=-12-8+6-4=-18
g(-1)=-12+8+6+4=6
g(1)+g(-1)
=-18+6
=-12