若(ax+b)/(x-3)=(5x)/(x-3)-(3x-1)/(x-3),则a= b=

问答/128℃/2024-05-04 00:36:35

优质解答：

(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

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