10.
已知直线\(l_{1}\):\( \sqrt{3}x+ \sqrt{10}y-4=0\)为曲线\(C_{1}\):\( \dfrac{x^{2}}{a^{2}}+ \dfrac{y^{2}}{b^{2}}=1(a > b > 0)\)的一条切线,直线\(l_{2}\):\(x-2y-4=0\)为曲线\(C_{2}\):\( \dfrac{x^{2}}{4a^{2}}+ \dfrac{y^{2}}{2b^{2}}=1\)的一条切线.
\((1)\)求曲线\(C\)\({\,\!}_{1}\)
,\(C\)\({\,\!}_{2}\)
的方程; \((2)\)作抛物线\(y\)\({\,\!}^{2}\)\(=2px(p > 0)\)交\(C\)\({\,\!}_{1}\)于\(A\),\(B\)两点,交\(C\)\({\,\!}_{2}\)于\(C\),\(D\)两点,当以\(A\),\(B\),\(C\),\(D\)四点为顶点的凸四边形面积为最大时,求实数\(p\)的值.