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- $ D = \\\left( { - \\\infty ;\\\frac{3}{2}} \\\right)$.
- $ D = \\\left( { - \\\infty ;0} \\\right)$.
- $ D = \\\left( {\\\frac{3}{2}; + \\\infty } \\\right)$.
- $ D = \\\left( {0; + \\\infty } \\\right)$.