perplexus.info :: Just Math : 3 Distinct Roots Not

3 Distinct Roots Not (Posted on 2008-03-04)

Prove that the equation

牋爔³ + 2px² + 2p²x + p = 0

cannot have three distinct real roots, for any real number p.

See The Solution Submitted by Bractals

Rating: 4.0000 (2 votes)

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