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根據題意c/a=√3/2c²;/a²;=3/4c²;=3/4a²;b²;+c²;=a²;b²;=1/4a²;設橢圓:x²;/a²;+y²;/b²;=1代入,即x²;/a²;+4y²;/a²;=1將(2,√3)代入4/a 178…
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