The distance from the foci of `P (a, b)` on the ellipse `x^2/9+y^2/25=1` are

The distance from the foci of P (x_(1), y_(1)) on the ellipse x^2/9+y^2/25=1 are

The distance between the foci of the ellipse 5x^(2)+9y^(2)=45 is

Let d be the perpendicular distance from the centre of the ellipse x^2/a^2+y^2/b^2=1 to the tangent drawn at a point P on the ellipse. If F_1 & F_2 are the two foci of the ellipse, then show the (PF_1-PF_2)^2=4a^2[1-b^2/d^2] .

The maximum distance of the centre of the ellipse x^2/(81)+y^2/(25)=1 from a normal to the ellipse is

The distance of the point 'theta' on the ellipse x^(2)/a^(2) + y^(2)/b^(2) = 1 from a focus, is

The Foci of the ellipse (x^(2))/(16)+(y^(2))/(25)=1 are

Prove that the product of the perpendiculars from the foci upon any tangent to the ellipse x^2/a^2+y^2/b^2=1 is b^2

Prove that the product of the perpendiculars from the foci upon any tangent to the ellipse x^2/a^2+y^2/b^2=1 is b^2

Tangents are drawn from the point P(3,4) to the ellipse x^(2)/9+y^(2)/4=1 touching the ellipse at point A and B. Q. The coordinates of A and B are

Tangents are drawn from the point P(3,4) to the ellipse x^(2)/9+y^(2)/4=1 touching the ellipse at point A and B. Q. The equation of the locus of the points whose distance from the point P and the line AB are equal, is