已知5x/(x-3)+(3x-1)/(3-x)=(Ax+B)/(x-3),分别求A与B的值

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已知5x/(x-3)+(3x-1)/(3-x)=(Ax+B)/(x-3),分别求A与B的值
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已知5x/(x-3)+(3x-1)/(3-x)=(Ax+B)/(x-3),分别求A与B的值
已知5x/(x-3)+(3x-1)/(3-x)=(Ax+B)/(x-3),分别求A与B的值

已知5x/(x-3)+(3x-1)/(3-x)=(Ax+B)/(x-3),分别求A与B的值
5x/(x-3)+(3x-1)/(3-x) =5x/(x-3)-(3x-1)/(x-3) =(5x-3x+1)/(x-3) =(2x+1)/(x-3) =(Ax+B)/(x-3),A=2 B=1

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