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Mathematics
Mathematics
Problem
If foci of a hyperbola are foci of the ellipse
x
2
25
+
y
2
9
=
1
\frac{x^2}{25} + \frac{y^2}{9} = 1
25
x
2
+
9
y
2
=
1
. If the eccentricity of the hyperbola be 2, then its equation is -
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