PHILOS 1332 Chapter 2: Chpt 2 pt 3

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What thermodynamic condition must be met for a state of equilibrium to exist?

1. < 0 and > 0
2. < 0 and < 0
3. > 0 and > 0
4. > 0 and < 0

  y''+4y=0 y(0)=0 y'(0)=1