The image of the pair of lines represented by \( a x^{2}+2 h x y \) \( +b y^{2}=0 \) by the line...

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The image of the pair of lines represented by \( a x^{2}+2 h x y \) \( +b y^{2}=0 \) by the line mirror \( y=0 \) is
(a) \( a x^{2}-2 h x y+b y^{2}=0 \)
(b) \( b x^{2}-2 h x y+a y^{2}=0 \)
(c) \( b x^{2}+2 h x y+a y^{2}=0 \)
(d) \( a x^{2}-2 h x y-b y^{2}=0 \)
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