x^2/9+y^2/4=1c^2=9-4=5所以所求椭圆c^2=5,焦点在x轴x^2/a^2+y^2/b^2=1则a^2=5+b^2把(3,2)代入9/(b^2+5)+4/b^2=19b^2+4(b^2+5)=b^2(b^2+5)13b^2+20=b^4+5b^2b^4-8b^2-20=0(b^2-10)(b^2+2)=0b^2>0所以b^2=10,a^2=15x^...