Find the length of the chord of the ellipse `x^2/25+y^2/16=1`, whose middle point is `(1/2,2/5)`.

The length of the chord of the ellipse (x^(2))/(25)+(y^(2))/(16)=1 ,whose mid point is (1,(2)/(5)) ,is equal to :

Find the equation of the chord of the circle x^(2)+y^(2)=9 whose middle point is (1,-2)

Find the length of the latus rectum of the ellipse x^2/36+y^2/25=1

Find the length of the chord x-2y-2=0 of the ellipse 4x^(2)+16y^(2)=64

Find the equation of the chord of the circle x^2 + y^2 + 6x+8y+9=0 , whose middle point is (-2, -3) .