化简计算~1/(x2-5x+6) - 1/(4x-x2-3) - 1/(3x-x2-2)
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![化简计算~1/(x2-5x+6) - 1/(4x-x2-3) - 1/(3x-x2-2)](/uploads/image/z/665886-30-6.jpg?t=%E5%8C%96%E7%AE%80%E8%AE%A1%E7%AE%97%7E1%2F%28x2-5x%2B6%29+-+1%2F%284x-x2-3%29+-+1%2F%283x-x2-2%29)
化简计算~1/(x2-5x+6) - 1/(4x-x2-3) - 1/(3x-x2-2)
化简计算~
1/(x2-5x+6) - 1/(4x-x2-3) - 1/(3x-x2-2)
化简计算~1/(x2-5x+6) - 1/(4x-x2-3) - 1/(3x-x2-2)
1/(x2-5x+6) - 1/(4x-x2-3) - 1/(3x-x2-2)
=1/(x2-5x+6) + 1/(x2-4x+3) + 1/(x2-3x+2)
=1/(x-2)(x-3)+1/(x-3)(x-1)+1/(x-2)(x-1)
=1/(x-3)-1/(x-2)+1/2(x-3)-1/2(x-1)+1/(x-2)-1/(x-1)
=3/2(x-3)-3/2(x-1)=3/(x-3)(x-1)