The coordinates (2,3) and (1,5) are the foci of an ellipse which passes through the origin, then the equation of
A.Tangent at origin is (3√2−5)x+(1−2√2)y=0
B.Tangent at origin is (3√2+5)x+(1+2√2)y=0
C.Normal at the origin is (3√2+5)x−(1+2√2)y=0
D.Normal at the origin is x(3√2−5)−y(1−2√2)=0