约分(x^n+2)+(x^n+1)-6x^n/(2x^n+1)+5x^n-(3x^n-1)_数学解答

约分(x^n+2)+(x^n+1)-6x^n/(2x^n+1)+5x^n-(3x^n-1)

人气：287 ℃　时间：2020-03-29 23:21:11

解答

[(x^n+2)+(x^n+1)-6x^n]/[(2x^n+1)+5x^n-(3x^n-1) ]
=(-4x^n+3)/(4x^n+2)
=-1+5/(4x^n+2)