双曲线x^2/3-y^2=1
a^2=3 b*2=1
所以c^2=4
离心率e^2=c^2/a^2=4/3
椭圆的离心率e1^2=c1^2/a1^2=3/4
应为过A(0,1)
所以b=1
应为a^2=b^2+c^2 , a1^2=1+3/4a1^2
a1^2=4
所以椭圆为x^2/4+y^2=1
双曲线x^2/3-y^2=1
a^2=3 b*2=1
所以c^2=4
离心率e^2=c^2/a^2=4/3
椭圆的离心率e1^2=c1^2/a1^2=3/4
应为过A(0,1)
所以b=1
应为a^2=b^2+c^2 , a1^2=1+3/4a1^2
a1^2=4
所以椭圆为x^2/4+y^2=1