怎么确定椭圆形的焦点有的回答有问题,以椭圆形长短对称轴为圆心,短轴为直径,画圆,与长对称轴的交点,即是椭圆形的焦点。
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 09:29:00
![怎么确定椭圆形的焦点有的回答有问题,以椭圆形长短对称轴为圆心,短轴为直径,画圆,与长对称轴的交点,即是椭圆形的焦点。](/uploads/image/z/6554288-56-8.jpg?t=%E6%80%8E%E4%B9%88%E7%A1%AE%E5%AE%9A%E6%A4%AD%E5%9C%86%E5%BD%A2%E7%9A%84%E7%84%A6%E7%82%B9%E6%9C%89%E7%9A%84%E5%9B%9E%E7%AD%94%E6%9C%89%E9%97%AE%E9%A2%98%EF%BC%8C%E4%BB%A5%E6%A4%AD%E5%9C%86%E5%BD%A2%E9%95%BF%E7%9F%AD%E5%AF%B9%E7%A7%B0%E8%BD%B4%E4%B8%BA%E5%9C%86%E5%BF%83%EF%BC%8C%E7%9F%AD%E8%BD%B4%E4%B8%BA%E7%9B%B4%E5%BE%84%EF%BC%8C%E7%94%BB%E5%9C%86%EF%BC%8C%E4%B8%8E%E9%95%BF%E5%AF%B9%E7%A7%B0%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%EF%BC%8C%E5%8D%B3%E6%98%AF%E6%A4%AD%E5%9C%86%E5%BD%A2%E7%9A%84%E7%84%A6%E7%82%B9%E3%80%82)
x[O[זWijh&F2(j%CU6dfr%bl o#1$` bB~o}g/3t(9ޏ^#ͭȯ}gc9vfdus|ʻt͍}qpfIPq,8Q}L#%B.`)1slkx]A2/yr/9^+`_(.`(a,XV:2M@;Io* ;ot= Q!0Z%#UkzV"ΎO
"~X+dN|SsT;sDZ e:(=*9U;l%h]AIk,.8&D\fm_cj! jHB8QX;+7g%^Ԗn=2J)pdSZڞY)vb/~rw#:;TݭEPw_XVY^O̞{YZe笓] p#P>qB]yMDk-86=(]9~WNCuwv^Nh<+( {{k-W0t1&iP,tqJ+x}G<.v
"JDT\#}Tfq~&?>~_^+_" L%ʲ~q/غp(ߏ\ozDtpPà둫+G[Y~#ُ(^8갛bcgRqhBDfcl3X$cڥ٭a[y 9w\ A@Hb
kydF0cėptumӐQFt(yf,x^͗H;@V^TU5_>_!3w@>*\v)Z]"UvC})ﵱh[qz7c?k,~O)Vi:=f%`OjӦC%Y_ixTL!K/{
Fw Ua3~FD<&' ɧxK$f'/֬|dOGHVxh }@T2(ImMmzZuL/xzdb*3X0PTsՋf`ǿ>ϑ heȌb"pc &* :YX b$Ym33jǭ7Pիdc)"Hcw{o$8@ep:JvӷBCX_Hi- J[3(h+'#}\:{fʉcF9W+pSA;q>A by2GeN:K-W*'X RKbU%lj[:sx&O
?Aj:t{>'Шz $/#ATu\dsШ䜙J:NW.1WYdO+;#%P6U+$ZJ$ll1<yC8C7y1EwF%c14&Ҧo|YqTIwO@5bPy)HMR33\L լWԐP_rh$
NB'RJ'{ؼGiV۶";U"qid#k+L\_FU!&%r\l}ݘJV ⍣L,pFרwC!HDlgF=0]2&7͖x 1{ 31`%&2"iyЭ}_NFF{:mFėZ~Z {:`6hKNd&5p8U XެַθB{s/BC$a/ޚ~4C#ݱ!~.⯾n%zxv?&=ÃG|E"%|_s<6&|WLuV.3_+AzJJ=E@}أPHs"),@%ϐ!uTelN?F>\ل襬X7oPjMrY Dg4wtӚTӚ6qŨT^= \ZZ,zjȌnN CT"9c{\b8x@ S}P#m8§!w6E:͢cz? auN6B5zQKDQZ\(2l5}4*$5:pJP)})܍{AT_>L'/BQSb.QqٿrT