Find the eccentricity of an ellipse if its latus rectum is one-third of its major axis.

Find the eccentricity of the ellipse whose latus rectum is one third of the major axis.

Find the eccentricity of the ellipse whose latus rectum is one third of the major axis.

Find the eccentricity of an ellipse whose latus rectum in one half of its major axis.

Find the eccentricity of the ellipse if : the latus-rectum is one half of its major axis.

Find the eccentricity of an ellipse if its latus rectum is equal to one-half of its major axis.

Find the eccentricity of an ellipse if its latus rectum is equal to one-half of its major axis.

Find the eccentricity of the ellipse if : the latus-rectum is one half of its minor axis.

Find the eccentricity of an ellipse, if the length of its latus-rectum is one third of its minor axis.

Find the eccentricity of the ellipse whose latus rectum is (i) half its major axis, (ii) half its minor axis.