解方程x^2/9+16/x^2=(10/3)(x/3-4/x)

学习 时间:2026-08-14 01:51:01 阅读:9971
解方程x^2/9+16/x^2=(10/3)(x/3-4/x)

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2026-08-14 01:51:01

令x/3-4/x=tx^2/9+16/x^2=(10/3)(x/3-4/x)=(x/3-4/x)^2+8/3t^2+8/3-10/3t=03t^2-10t+8=0(3t+2)(t-2)=0t=-3/2,t=2然后……