已知y=kx+b与曲线x^2+4y^2-4=0交于A,B两点,记三角形AOB的面积为S,O是坐标原点1)求曲线的离心率2)求在k=0,0
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/08 09:51:20
![已知y=kx+b与曲线x^2+4y^2-4=0交于A,B两点,记三角形AOB的面积为S,O是坐标原点1)求曲线的离心率2)求在k=0,0](/uploads/image/z/5284136-56-6.jpg?t=%E5%B7%B2%E7%9F%A5y%3Dkx%2Bb%E4%B8%8E%E6%9B%B2%E7%BA%BFx%5E2%2B4y%5E2-4%3D0%E4%BA%A4%E4%BA%8EA%2CB%E4%B8%A4%E7%82%B9%2C%E8%AE%B0%E4%B8%89%E8%A7%92%E5%BD%A2AOB%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BAS%2CO%E6%98%AF%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B91%EF%BC%89%E6%B1%82%E6%9B%B2%E7%BA%BF%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%872%EF%BC%89%E6%B1%82%E5%9C%A8k%3D0%2C0)
xRN@5`=RB&X$yVn 8 ){/"PeJs=wu'vN,)pMNnҕsKeNCdSZ`vو;~.Z=1zP?y(`uaZ䃌BRќ|OT%6Vɪnzo2g䫖FRӠc
;`y75(!^%!#$HIXumg]~d=s^H>otSqKP-FZCFUGLLBxQIe,t ʖ}R!yTʹi0 8MU*Ƅ}@KN\Cx@M1sK!$1ߚ+ fPezco~̜Kϸ6ĿxÐqg~Upj_E.@)}͓?)6Z|h̭D5#,TdI
Q2 25(Ӌ
c6;lf&8lɑ jҵ;XJcA_Gٟ:P/*ڐ Le,Ë+ܙ-Km~@nȩdg<