The equation of the ellipse whose focus is P \( (1,-1) \), directri...

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The equation of the ellipse whose focus is
P \( (1,-1) \), directrix is the line \( x-y-3=0 \) and

W eccentricity is \( 1 / 2 \) is:
(1) \( 7 x^{2}+2 x y+7 y^{2}-10 x+10 y+7=0 \)
(2) \( 7 x^{2}+2 x y+7 y^{2}+7=0 \)
(3) \( 7 x^{2}+2 x y+7 y^{2}+10 x-10 y-7=0 \)
(4) None of these
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