1.
已知椭圆\(C\)的两个顶点分别为\(A(-2,0)\),\(B(2,0)\),焦点在\(x\)轴上,离心率为\( \dfrac { \sqrt {3}}{2}\).
\((\)Ⅰ\()\)求椭圆\(C\)的方程;
\((\)Ⅱ\()\)点\(D\)为\(x\)轴上一点,过\(D\)作\(x\)轴的垂线交椭圆\(C\)于不同的两点\(M\),\(N\),过\(D\)作\(AM\)的垂线交\(BN\)于点\(E.\)求证:\(\triangle BDE\)与\(\triangle BDN\)的面积之比为\(4\):\(5\).