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Let R(x1, y1)a n dS(x2,y2) be the end po...

Let `R(x_1, y_1)a n dS(x_2,y_2)` be the end points of latus rectum of parabola `y^2=4xdot` The equation of ellipse with latus rectum `R S` and eccentricity `1/2` are `(a > b)` `((3x+1)^2)/(64)+(3y^2)/8=1` `((3x-7)^2)/(64)+(3y^2)/8=1` `((3x+1)^2)/8+(3y^2)/(64)=1` `((3x-7)^2)/8+(3y^2)/(64)=1`

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