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Posted Date: 11 Mar 2009 Posted By: nitin Member Level: Silver Category: Mathematics - Basic
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Suppose the cubic x3 – px + q has three distinct real roots where p > 0 and q > 0. Then which one of the
following holds ?
Select Answer:
The cubic has minima at – (p/3)^1/2 and maxima at ( p/3)^1/2
The cubic has manima at both( p/3)^1/2 and -(p/3)^1/2
The cubic has maxima at both (p/3)^1/2 and -(p/3)^1/2
The cubic has minima at (p/3)^1/2 and maxima at -( p/3)^1/2
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