The point of intersection of the tangents at $t_{1}=t$ and $t_{2}=3t$ to the parabola $y^{2}=8x$ is

Question

$$\begin{array}{1 1}(1)(6t^{2}, 8t)&(2)(8t,6t^{2})\\(3)(t^{2},4t)&(4)(4t,t^{2})\end{array}$$