The minimum distance between \( y=x^{4}+3 x^{2}+2 x \) and \( y=2 x-1 \), (a) 1 (b) \( \sqrt{5} ...

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The minimum distance between \( y=x^{4}+3 x^{2}+2 x \) and \( y=2 x-1 \),
(a) 1
(b) \( \sqrt{5} \)
(c) 5
(d) \( 1 / \sqrt{5} \)
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