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If the ellipse (x^2)/(a^2-7)+(y^2)/(13=5...

If the ellipse `(x^2)/(a^2-7)+(y^2)/(13=5a)=1` is inscribed in a square of side length `sqrt(2)a` , then `a` is equal to `6/5` `(-oo,-sqrt(7))uu(sqrt(7),(13)/5)` `(-oo,-sqrt(7))uu((13)/5,sqrt(7),)` no such a exists

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