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Show that the equation 5x^(2) + 9y^(2) ...

Show that the equation `5x^(2) + 9y^(2) - 10 x + 90 y + 185 = 0 ` repesents an ellipse. Find length of latus rectum

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The correct Answer is:
The length of its latus rectum `2*(b^(2))/(a) = 2 * (5)/(3) = (10)/(3)` unit
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