JEE Math Practice Question
If the difference between the roots of the equation $${x^2} + ax + 1 = 0$$ is less than $$\sqrt 5 ,$$ then the set of possible values of $$a$$ is
- A.$$\left( {3,\infty } \right)$$
- B.$$\left( { - \infty , - 3} \right)$$
- C.$$\left( { - 3,3} \right)$$
- D.$$\left( { - 3,\infty } \right)$$
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