6.
在极坐标系中,曲线\(C_{1}\):\(ρ\sin ^{2}θ=4\cos θ\),以极点为坐标原点,极轴为轴正半轴建立直角坐标系\(xOy\),曲线\(C_{2}\)的参数方程为\( \begin{cases} x=2+ \dfrac {1}{2}t \\ y= \dfrac { \sqrt {3}}{2}t\end{cases}(t\)为参数\()\).
\((1)\)求\(C_{1}\)、\(C_{2}\)的直角坐标方程;
\((2)\)若曲线\(C_{1}\)与曲线\(C_{2}\)交于\(A\)、\(B\)两点,且定点\(P\)的坐标为\((2,0)\),求\(|PA|⋅|PB|\)的值.