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Maths-

General

Easy

Question

$E subscript 1 end subscript equals fraction numerator x to the power of 2 end exponent over denominator 25 end fraction plus fraction numerator y to the power of 2 end exponent over denominator 9 end fraction minus 1 equals 0 comma$ $C equals 0$ is a greatest circle incribed in $E subscript 1 end subscript$ and Greatest Ellipse $E subscript 2 end subscript$ is incribed in c = 0 If the eccentricities of $E subscript 1 end subscript comma E subscript 2 end subscript$ are equal then the minor axis of $E subscript 2 end subscript equals 0$ is

4
5
$\frac{16}{5}$
$\frac{18}{5}$

The correct answer is: $fraction numerator 18 over denominator 5 end fraction$

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