y=x2-3x+2/ x2+2x-3值域y=(x²-3x+2)/ (x²+2x-3)的值域是什么
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![y=x2-3x+2/ x2+2x-3值域y=(x²-3x+2)/ (x²+2x-3)的值域是什么](/uploads/image/z/2668521-57-1.jpg?t=y%3Dx2-3x%2B2%2F+x2%2B2x-3%E5%80%BC%E5%9F%9Fy%3D%EF%BC%88x%26%23178%3B-3x%2B2%EF%BC%89%2F+%EF%BC%88x%26%23178%3B%2B2x-3%EF%BC%89%E7%9A%84%E5%80%BC%E5%9F%9F%E6%98%AF%E4%BB%80%E4%B9%88)
y=x2-3x+2/ x2+2x-3值域y=(x²-3x+2)/ (x²+2x-3)的值域是什么
y=x2-3x+2/ x2+2x-3值域
y=(x²-3x+2)/ (x²+2x-3)的值域是什么
y=x2-3x+2/ x2+2x-3值域y=(x²-3x+2)/ (x²+2x-3)的值域是什么
y=(x²-3x+2)/ (x²+2x-3)=[(x²+2x-3)-5x+5]/(x²+2x-3)=1+5(x-1)/(x-1)(x+3)=1+1/(x+3)
y=(x²-3x+2)/ (x²+2x-3)的值域是 y≠1