Area of quadrilateral formed by common tangents to ellipses `E_1 : x^2/16+y^2/9=1 and E_2 : x^2/9+y^2/16=1` is

Consider the ellipses E_1:x^2/9+y^2/5=1 and E_2: x^2/5+y^2/9=1 . Both the ellipses have

The length of common tangent to the ellipses (x^(2))/(16)+(y^(2))/(9)=1 and (x^(2))/(9)+(y^(2))/(16)=1 is

The minimum area of the triangle formed by any tangent to the ellipse x^2/16+y^2/81=1 and the coordinate axes is :

Area of the quadrilateral formed by the tangents at the ends of latus rectum of (x^(2))/(25)+(y^(2))/(16)=1 is (in sq. units)

The number of common tangents to the ellipse (x^(2))/(16) + (y^(2))/(9) =1 and the circle x^(2) + y^(2) = 4 is

The number of common tangents to the ellipse (x^(2))/(16) + (y^(2))/(9) =1 and the circle x^(2) + y^(2) = 4 is

lf a quadrilateral is formed by four tangents to the ellipse x^2/9+y^2/4=1 then the area of the square is equal to

lf a quadrilateral is formed by four tangents to the ellipse x^2/9+y^2/4=1 then the area of the square is equal to

A common tangent to 9x^(2) - 16y^(2) = 144 and x^(2) + y^(2) = 9 is

A common tangent to 9x^2-16y^2 = 144 and x^2 + y^2 = 9 , is