A tangent is drawn to the ellipse x^2/16 + y^2/9 = 1 to cut the ellipse x^2/t^2 + y^2/d^2 = 1 at the points P and Q. If the tangents and P and Q to the ellipse x^2/t^2 + y^2/d^2 = 1 intersect at right angles then value of 16/t^2 + 9/d^2 = ?
A tangent is drawn to the ellipse x^2/16 + y^2/9 = 1 to cut the ellipse x^2/t^2 + y^2/d^2 = 1 at the points P and Q. If the tangents and P and Q to the ellipse x^2/t^2 + y^2/d^2 = 1 intersect at right angles then value of 16/t^2 + 9/d^2 = ?