已知抛物线C:x^2=2py(p>0)上一点A(m,4)到其焦点的距离为17/4(1)求p与m的值(2)设抛物线C上一点p的横坐标为t(t>0),过p的直线交C于另一点Q,交x轴于M点,过点Q作PQ的垂线交C于另一点N.若MN
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 13:02:47
![已知抛物线C:x^2=2py(p>0)上一点A(m,4)到其焦点的距离为17/4(1)求p与m的值(2)设抛物线C上一点p的横坐标为t(t>0),过p的直线交C于另一点Q,交x轴于M点,过点Q作PQ的垂线交C于另一点N.若MN](/uploads/image/z/7630351-7-1.jpg?t=%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFC%EF%BC%9Ax%5E2%3D2py%28p%EF%BC%9E0%EF%BC%89%E4%B8%8A%E4%B8%80%E7%82%B9A%EF%BC%88m%2C4%29%E5%88%B0%E5%85%B6%E7%84%A6%E7%82%B9%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA17%2F4%EF%BC%881%EF%BC%89%E6%B1%82p%E4%B8%8Em%E7%9A%84%E5%80%BC%EF%BC%882%EF%BC%89%E8%AE%BE%E6%8A%9B%E7%89%A9%E7%BA%BFC%E4%B8%8A%E4%B8%80%E7%82%B9p%E7%9A%84%E6%A8%AA%E5%9D%90%E6%A0%87%E4%B8%BAt%EF%BC%88t%EF%BC%9E0%EF%BC%89%2C%E8%BF%87p%E7%9A%84%E7%9B%B4%E7%BA%BF%E4%BA%A4C%E4%BA%8E%E5%8F%A6%E4%B8%80%E7%82%B9Q%2C%E4%BA%A4x%E8%BD%B4%E4%BA%8EM%E7%82%B9%2C%E8%BF%87%E7%82%B9Q%E4%BD%9CPQ%E7%9A%84%E5%9E%82%E7%BA%BF%E4%BA%A4C%E4%BA%8E%E5%8F%A6%E4%B8%80%E7%82%B9N.%E8%8B%A5MN)
xV]Of+\m6GFHWHj%z7EՓ%%
5aZG34?%k+qӤi6)r<9';Sn?3iNUr·ϳæ_paVr2kapnh3y'z&|ެ[6Ԭ6Єp˻DIT6+l#k7JOI^N[eo|r ag&))+qPJǫA x6ɦ1]ѩ7ˀug*_o-: 8`CAƧ=Ş`8}Рjn
KjZ$Ή0lM%XO2aQmn~.+ly{e mZ ;J \\Žc
.,y8^ J^g*I6g@x
>KleQQ)':Y @
Gwּ(/@蒫ڲEt@w*7fUbo{K'F|5!/(1ZL_aV!)GbYZ,J5)q;R
Q[ڟZ䰛LVb/fQE}X(_T71[w~EbkZhxɀA&q[c .ƪG>)/ '3'%f:u|v2_`({zH9"^NSx~_zoEi*ϸx{SNcvYmo`0ص\Fb3,mdi7WGWxȚ-#8RZKeL52*դʨѸTFͭaD*J%Eݠ!ANjC[Aza7-iU][c
^vLTZ"o-HL_ *USqpJg}z0qe?TƭdՌijS+:9B%ݬfYHARg: