a^2=3 b^2=1 c^2=2
F2(根号2,0)
F1(-根号2,0)
设F2B=(m,n)
A(-根号2+5m,5n)
B(根号2+m,n)
代入,(-根号2+5m)^2/3+25n^2=1
(根号2+m)^2/3+n^2=1
把n^2消去,3-(-根号2+5m)^2=75-(5根号2+5m)^2
(5根号2+5m)^2-(-根号2+5m)^2=75-3
(10m+4根号2)*6根号2=72
m=根号2/5
解得,n=1/5
A(0,1),B(6根号2/5,1/5)
a^2=3 b^2=1 c^2=2
F2(根号2,0)
F1(-根号2,0)
设F2B=(m,n)
A(-根号2+5m,5n)
B(根号2+m,n)
代入,(-根号2+5m)^2/3+25n^2=1
(根号2+m)^2/3+n^2=1
把n^2消去,3-(-根号2+5m)^2=75-(5根号2+5m)^2
(5根号2+5m)^2-(-根号2+5m)^2=75-3
(10m+4根号2)*6根号2=72
m=根号2/5
解得,n=1/5
A(0,1),B(6根号2/5,1/5)