在平面直角坐标系
\(xOy\)中,已知椭圆
\(C\)\({\,\!}_{1}\):\( \dfrac{x^2 }{a^2 }+ \dfrac{y^2 }{b^2 }=1( \)
\(a\)\( > \)
\(b\)\( > 0)\)的左焦点为
\(F\)\({\,\!}_{1}(-1,0)\),且点
\(P\)\((0,1)\)在
\(C\)\({\,\!}_{1}\)上\(.\)
\((1)\)求椭圆\(C\)\({\,\!}_{1}\)的方程;
\((2)\)设直线\(l\)同时与椭圆\(C\)\({\,\!}_{1}\)和抛物线\(C\)\({\,\!}_{2}\):\(y\)\({\,\!}^{2}=4\)\(x\)相切,求直线\(l\)的方程.