Question

化简成最简分式（x^2n-1）/（2-3x^n+x^2n）最好有过程哈:-D

Answer 1

x^2n-1化简为(x^n+1)(x^n-1)

而2-3x^n+x^2n化简为(x^n-2)(x^n-1)

约去共同因子(x^n-1)

则有(x^n+1)/(x^n-2)进一步化简得1+3/(x^n-2)