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2/(X-1)+3x/(X+1)=2 2/(x-1)+(3X+3-3)/(X+1)=2 2/(x-1)+3-3/(x+1)=2 2/(x-1)-3/(x+1)=-1 5-x=1-x^2 x^2-x-4=0 x1=(1+根號17)/2 x2=(1-根號17)/2
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