数学题(x-4)/(x-3)+(x-6)/(x-5)=(x-8)/(x-7)+(x-10)/(x-9)解方程,
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数学题(x-4)/(x-3)+(x-6)/(x-5)=(x-8)/(x-7)+(x-10)/(x-9)解方程,
(x-4)/(x-3)+(x-6)/(x-5)=(x-8)/(x-7)+(x-10)/(x-9)解方程,好像有两种解
(x-4)/(x-3)+(x-6)/(x-5)=(x-8)/(x-7)+(x-10)/(x-9)解方程,好像有两种解
/>(x-4)/(x-3)+(x-6)/(x-5)=(x-8)/(x-7)+(x-10)/(x-9)
(x-4)/(x-3)-(x-10)/(x-9)=(x-8)/(x-7)-(x-6)/(x-5)
[(x-4)(x-9)-(x-10)(x-3)]/[(x-3)(x-9)]=[(x-8)(x-5)-(x-6)(x-7)]/[(x-5)(x-7)]
6/(x^2-12x+27)=-2/(x^2-12x+35)
6(x^2-12x+35)+2(x^2-12x+27)=0
整理,得
x^2-12x+33=0
(x-6)^2=3
x=6±√3
(x-4)/(x-3)-(x-10)/(x-9)=(x-8)/(x-7)-(x-6)/(x-5)
[(x-4)(x-9)-(x-10)(x-3)]/[(x-3)(x-9)]=[(x-8)(x-5)-(x-6)(x-7)]/[(x-5)(x-7)]
6/(x^2-12x+27)=-2/(x^2-12x+35)
6(x^2-12x+35)+2(x^2-12x+27)=0
整理,得
x^2-12x+33=0
(x-6)^2=3
x=6±√3
数学题(x-4)/(x-3)+(x-6)/(x-5)=(x-8)/(x-7)+(x-10)/(x-9)解方程,
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