The values of $\alpha$, for which $$2 \alpha + 3 \quad 3 \alpha + 1 \quad 0$$ (1) ( - 2, 1)\\ (2) ( - 3, 0)\\ (3) $- \frac { 3 } { 2 } , \frac { 3 } { 2 }$\\ (4) $( 0,3 )$