(1)焦点在x轴上 a^2/c=6 b/a=根号3/3 c^2=a^2+b^2
a^2=48 b^2=16
(2)焦点在y轴上 a^2/c=6 a/b=根号3/3 c^2=a^2+b^2
a^2=16 b^2=48