(1)(x的 -1次方+y的 -1次方 )² -(x的 -1次方-y的 -1次方)² =(2)(x ² +2x-3/x² +3x-10)*(x ² +8x+15/x-1)÷(x+3/2-x)=解方程:3x+1/2x-1=3x-1/2x-5
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![(1)(x的 -1次方+y的 -1次方 )² -(x的 -1次方-y的 -1次方)² =(2)(x ² +2x-3/x² +3x-10)*(x ² +8x+15/x-1)÷(x+3/2-x)=解方程:3x+1/2x-1=3x-1/2x-5](/uploads/image/z/13924457-17-7.jpg?t=%EF%BC%881%EF%BC%89%EF%BC%88x%E7%9A%84+-1%E6%AC%A1%E6%96%B9%2By%E7%9A%84+-1%E6%AC%A1%E6%96%B9+%EF%BC%89%26%23178%3B+-%EF%BC%88x%E7%9A%84+-1%E6%AC%A1%E6%96%B9-y%E7%9A%84+-1%E6%AC%A1%E6%96%B9%EF%BC%89%26%23178%3B+%3D%EF%BC%882%EF%BC%89%EF%BC%88x+%26%23178%3B+%2B2x-3%2Fx%26%23178%3B+%2B3x-10%EF%BC%89%2A%EF%BC%88x+%26%23178%3B+%2B8x%2B15%2Fx-1%EF%BC%89%C3%B7%EF%BC%88x%2B3%2F2-x%EF%BC%89%3D%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A3x%2B1%2F2x-1%3D3x-1%2F2x-5)
(1)(x的 -1次方+y的 -1次方 )² -(x的 -1次方-y的 -1次方)² =(2)(x ² +2x-3/x² +3x-10)*(x ² +8x+15/x-1)÷(x+3/2-x)=解方程:3x+1/2x-1=3x-1/2x-5
(1)(x的 -1次方+y的 -1次方 )² -(x的 -1次方-y的 -1次方)² =
(2)(x ² +2x-3/x² +3x-10)*(x ² +8x+15/x-1)÷(x+3/2-x)=
解方程:3x+1/2x-1=3x-1/2x-5
(1)(x的 -1次方+y的 -1次方 )² -(x的 -1次方-y的 -1次方)² =(2)(x ² +2x-3/x² +3x-10)*(x ² +8x+15/x-1)÷(x+3/2-x)=解方程:3x+1/2x-1=3x-1/2x-5
(1)、=(1/x+1/y+1/x-1/y)(1/x+1/y-1/x+1/y)
=2/x*2/y
=4/xy
(2)=(x+3)(x-1 )/(x+5)(x-2)*(x+5)(x+3)、(x-1)*(2-x)/(x+3)
=-(x+3 )
(3)(3X+1)(2X-5)=(3X-1)(2X-1)
-13X-5=-5X+1
-8X=6
X= -2/3
经检验:x=-2/3是原方程的解
(1)4x^(-1)y^(-1)
第二题不知道
解方程:(3X+1)(2X-5)=(3X-1)(2X-1)
-13X-5=-5X+1
-12X=6
X= -2
(1)4/xy
(2)这个题我觉得你应该是没打明白,3/(2-x)和3/2-x不一样,你再看看吧
方程的解x=-1/4