2/(2x-3)+6/(6x+7)=1/(x+1)+3/(3x-4)求过程
人气:171 ℃ 时间:2020-03-23 08:22:32
解答
2/(2x-3)+6/(6x+7)=1/(x+1)+3/(3x-4)(4 (-1 + 6 x))/((-3 + 2 x) (7 + 6 x)) = (-1 + 6 x)/((1 + x) (-4 + 3 x))(-1 + 6 x)/(84 + 37 x - 107 x^2 - 24 x^3 + 36 x^4) =0 6 x-1=0x=1/6
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