The point on the curve $y=3x^{2}-6x-4$ at which the tangent is parallel to the $x$ -axis is

Question

$$\begin {array}{1 1}(1)\bigg(\frac{5}{2},\frac{-17}{2}\bigg)&(2)\bigg(\frac{-5}{2},\frac{-17}{2}\bigg)\\(3)\bigg(\frac{-5}{2},\frac{17}{2}\bigg)&(4)\bigg(\frac{3}{2},\frac{-17}{2}\bigg)\end{array}$$