The locus of the poles of normal chords of an ellipse is given by

  • A

    $\frac{{{a^6}}}{{{x^2}}} + \frac{{{b^6}}}{{{y^2}}} = {({a^2} - {b^2})^2}$

  • B

    $\frac{{{a^3}}}{{{x^2}}} + \frac{{{b^3}}}{{{y^2}}} = {({a^2} - {b^2})^2}$

  • C

    $\frac{{{a^6}}}{{{x^2}}} + \frac{{{b^6}}}{{{y^2}}} = {({a^2} + {b^2})^2}$

  • D

    $\frac{{{a^3}}}{{{x^2}}} + \frac{{{b^3}}}{{{y^2}}} = {({a^2} + {b^2})^2}$

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