Thread: ellipse inscribed in a rectangle

1. ellipse inscribed in a rectangle

To determine the equation of an ellipse inscribed in a rectangle of vertices $A(4,3),B(4,-3),C(-4,3),D(-4,-3)$

$9x^2+4y^2=36$
To determine the equation of an ellipse inscribed in a rectangle of vertices $A(4,3),B(4,-3),C(-4,3),D(-4,-3)$