If the difference between the roots of the equation $x ^ { 2 } + a x + 1 = 0$ is less than $\sqrt { 5 }$, then the set of possible values of $a$ is (1) $( - 3,3 )$ (2) $( - 3 , \infty )$ (3) $( 3 , \infty )$ (4) $( - \infty , - 3 )$
If the difference between the roots of the equation $x ^ { 2 } + a x + 1 = 0$ is less than $\sqrt { 5 }$, then the set of possible values of $a$ is\\
(1) $( - 3,3 )$\\
(2) $( - 3 , \infty )$\\
(3) $( 3 , \infty )$\\
(4) $( - \infty , - 3 )$