The positive end of the Latusrectum of the ellipse `(x^(2))/(a^(2))+(y^(2))/(b^(2))=1(a>b)" is `

The area of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 is

Foci of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1(alt b) are

Centre of the ellipse ((x-h)^(2))/(a^(2))+((y-k)^(2))/(b^(2))=1(a

Equations of the directrices of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1(a>b) are

The length of the Latusrectum of the ellipse ((x-alpha)^(2))/(a^(2))+((y-beta)^(2))/(b^(2))=1 (a

The length of the latusrectum of the hyperbola (x^(2))/(a^(2))-(y^(2))/(b^(2))=-1 , is

the length of the latusrectum of the ellipse (x^(2))/(36)+(y^(2))/(49)=1 , is

The normal at an end of a latus rectum of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 passes through an end of the minor axis if

The normal at an end of a latus rectum of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 passes through an end of the minor axis if

If the normal at an end of a latus rectum of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 meets the x -axis at A and y-axis at B, then OA/OB is equal to