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圆锥曲线的离心率是高考考查的重点和热点.对离心率的考查实质上是对圆锥曲线的几何量和几何性质的考查,因此熟练掌握圆锥曲线的相关知识是根本.本文结合相关的题目具体谈谈离心率的考查方式及相应的求解策略,供读者参考.1.离心率值的求解策略1.1直接利用定义式e=ca求解例1(200
Centrifuge rate of conic curve is the focus and hot spot for college entrance examination.The examination of eccentricity is essentially the examination of geometric quantity and geometry of conic curve.Therefore, it is essential to master the related knowledge of conic curve.This paper combines the related topics Talk about the eccentricity of the examination method and the corresponding solution strategy for the reader’s reference .1 centrifuge value solution strategy 1.1 direct use of the definition of e = ca solution 1 (200