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 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

Find the length of latus rectum of the ellipse. x^2/16+y^2/9=1 .

Find the area of the ellipse x^2/9 + y^2/16 = 1 .

The slope of a common tangent to the ellipse (x^(2))/(49) + (y^(2))/(4) =1 and the circle x^(2) + y^(2) = 16 is

The equation of axis of the ellipse x^2/16+y^2/9=1 is ______.

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