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If e(1)&e(2) are the eccentricities of t...

If `e_(1)&e_(2)` are the eccentricities of the hyperbola `xy=9` and `x^(2)-y^(2)=25` , then `(e_(1),e_(2))` lie on a circle `c_(1)` with centre origin then the `(radius)^(2)` of the director circle of `c_(1)` is

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