Which of the following relation is true ?
  • A$3Y = K(1- \sigma )$
  • B$K = \frac{{9\eta Y}}{{Y + \eta }}$
  • C$\sigma  = \left( {6K + \eta } \right)Y$
  • D$\sigma  = \frac{{0.5Y - \eta }}{\eta }$
AIIMS 2014, Easy
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