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Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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#1 2007-12-04 09:08:33

where

A=4 B=-1 C=2 D=1

P=5
Q=6

does anyone know what kind of phase portrait it is when P>0, Q>0 and

please help!!!!

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