The slope of the line touching the parabolas \( y^{2}=4 x \) and \( x^{2}=-32 y \) is (a) \( 1 /...

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The slope of the line touching the parabolas \( y^{2}=4 x \) and \( x^{2}=-32 y \) is
(a) \( 1 / 8 \)
(b) \( 2 / 3 \)
(c) \( 1 / 2 \)
(d) \( 3 / 2 \)
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