若Ax+B/x-3=5x/x-3+3x-1/3-x ,则A=____,B=____
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![若Ax+B/x-3=5x/x-3+3x-1/3-x ,则A=____,B=____](/uploads/image/z/1628739-27-9.jpg?t=%E8%8B%A5Ax%2BB%2Fx-3%3D5x%2Fx-3%2B3x-1%2F3-x+%2C%E5%88%99A%3D____%2CB%3D____)
若Ax+B/x-3=5x/x-3+3x-1/3-x ,则A=____,B=____
若Ax+B/x-3=5x/x-3+3x-1/3-x ,则A=____,B=____
若Ax+B/x-3=5x/x-3+3x-1/3-x ,则A=____,B=____
(Ax+B)/x-3=5x/(x-3)+(3x-1)/(3-x)
=5x/(x-3)-(3x-1)/(x-3)
=(2x+1)/(x-3)
所以A=2,B=1