11th Class
Mathematics
Sample Paper
Maths Olympiad Model Test Paper-11
question_answer
Let the equation of an ellipse be \[\frac{{{x}^{2}}}{144}+\frac{{{y}^{2}}}{25}=1\]. Then, the radius of the circle with centre \[\left( 0,\,\sqrt{2} \right)\] and passing through the foci of the ellipse is ________.