The locus of the midpoints of the chord of the parabola \( 2 y^{2}=7 x \) which are parallel to ....

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The locus of the midpoints of the chord of the parabola \( 2 y^{2}=7 x \) which are parallel to the line \( 3 x- \)
\( \mathrm{P} \)
\( 2 y=0 \) is the line \( p x+q y+r=0 \), where \( |p+q+r| \)
W.
equals.


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