giup minh voi ! can gap
bai 1: lap phuong trinh chinh tac cua elip biet dinh tren truc lon la (5,0) va duong tron ngoai tiep hinh chu nhat co so co pt:
$x^{2} + y^{2} - 41=0
$bai
2: cho elip cp phuong trinh:
$x^{2} + 4y^{2} = 4
$a/ tim toa do cac dinh, toa do cac tieu diem va tam sai cua elipb/ 1 duong thang d qua 1 trong 2 tieu diem cua elip va song song voi truc Oy cat elip tai 2 diem M va N. tinh do dai MN
Phương trình elip
giup minh voi ! can gap
bai 1: lap phuong trinh chinh tac cua elip biet dinh tren truc lon la (5,0) va duong tron ngoai tiep hinh chu nhat co so co pt: x^{2} + y^{2} - 41=0bai2: cho elip cp phuong trinh: x^{2} + 4y^{2} = 4a/ tim toa do cac dinh, toa do cac tieu diem va tam sai cua elipb/ 1 duong thang d qua 1 trong 2 tieu diem cua elip va song song voi truc Oy cat elip tai 2 diem M va N. tinh do dai MN
Phương trình elip
giup minh voi ! can gap
bai 1: lap phuong trinh chinh tac cua elip biet dinh tren truc lon la (5,0) va duong tron ngoai tiep hinh chu nhat co so co pt:
$x^{2} + y^{2} - 41=0
$bai
2: cho elip cp phuong trinh:
$x^{2} + 4y^{2} = 4
$a/ tim toa do cac dinh, toa do cac tieu diem va tam sai cua elipb/ 1 duong thang d qua 1 trong 2 tieu diem cua elip va song song voi truc Oy cat elip tai 2 diem M va N. tinh do dai MN
Phương trình elip