由题a^2=25,b^2=16(焦点在y轴)则c^2=9,焦点为F1(0,3)F2(0,-3)将x=2代入得y=±5√3/2即M为(2,5√3/2)或(2,-5√3/2)|MF1|=5- 3√3/2|MF2|=5+3√3/2