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Home  >>  EAMCET  >>  Mathematics
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The parabola with directrix $x+2y-1=0$ and focus (1,0) is :

\[\begin {array} {1 1} (a)\;4x^2-4xy+y^2-8x+4y+4=0 & \quad (b)\;4x^2+4xy+y^2-8x+4y+4=0 \\ (c)\;4x^2+5xy+y^2+8x-4y+4=0 & \quad (d)\;4x^2-4xy+y^2-8x-4y+4=0 \end {array}\]
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1 Answer

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$(a)\;4x^2-4xy+y^2-8x+4y+4=0$
answered Feb 27, 2014 by meena.p
 
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