11th Class
Mathematics
Sample Paper
Mathematics Olympiad - Sample Paper-9
question_answer
The foci of the ellipse \[\frac{{{x}^{2}}}{16}+\frac{{{y}^{2}}}{{{b}^{2}}=1}\] and the hyperbola \[\frac{{{x}^{2}}}{144}+\frac{{{y}^{2}}}{81}=\frac{1}{25}\] coincide. Then the value of \[{{b}^{2}}\]is