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Mathematics 9 Online
OpenStudy (anonymous):

The equation of the chord of the ellipse 2x2+5y2=20 which is bisected at the point (2,1) is

OpenStudy (shubhamsrg):

well there is a direct formula for this but still if you want to solve it let the 2 ends of the chord be x1y1 and x2y2 satisfy them in the eqn of ellipse --> 2eqns use mid point formulla --> 2 more eqns 4 eqns , 4 variable, best of luck..

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