3t^2-1=(a^3-a-t^3+t)/(a-t)
3t^2-1=(a^3-a-t^3+t)/(a-t)
數學人氣:339 ℃時間:2020-01-29 05:46:09
優(yōu)質解答
3t^2-1=(a^3-a-t^3+t)/(a-t)(3t^2-1)(a-t)=a^3-a-t^3+t 3at^2-3t^3-a+t=a^3-a-t^3+t 3at^2-2t^3-a^3=0 2t^3-3at^2+a^3=0 2t^3-2at^2-at^2+a^3=0...
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