帮我解一道简单分式
问题描述:
帮我解一道简单分式
5+96/(x^2-16)=2x-1/(4x+1)-3x-1/(4-x)
答
5+96/(x^2-16)=(2x-1)/(x+4)-(3x-1)/(4-x)5+96/(x^2-16)=(2x-1)/(x+4)+(3x-1)/(x-4)5(x^2-16)+96=(2x-1)(x-4)+(3x-1)(x+4)5x^2-80+96=2x^2-9x+4+3x^2+11x-45x^2+16=5x^2+2x2x=16x=8