当x取何值时,整式x-3/x-1比-5/x+3的值大1
问题描述:
当x取何值时,整式x-3/x-1比-5/x+3的值大1
答
X=11/3 (x-3)/(x-1)=-5/(x+3)+1 (x-3)(x+1)=-5(x-1)+(x-1)(x+3) 化简后得-3x=-11
当x取何值时,整式x-3/x-1比-5/x+3的值大1
X=11/3 (x-3)/(x-1)=-5/(x+3)+1 (x-3)(x+1)=-5(x-1)+(x-1)(x+3) 化简后得-3x=-11