如图\(1\)所示,已知\(y=\dfrac{6}{x}(x > 0)\)图象上一点\(P\),\(PA⊥x\)轴于点\(A(a,0)\),点\(B(0,b)(b > 0)\),动点\(M\)是\(y\)轴正半轴点\(B\)上方的点,动点\(N\)在射线\(AP\)上,过点\(B\)作\(AB\)的垂线,交射线\(AP\)于点\(D\),交直线\(MN\)于点\(Q\),连接\(AQ\),取\(AQ\)中点为\(C\).
\((1)\)如图\(2\),连接\(BP\),求\(\triangle PAB\)的面积;
\((2)\)当\(Q\)在线段\(BD\)上时,若四边形\(BQNC\)是菱形,面积为\(2\sqrt{3}\),
求:\(①\)求此时\(Q\)、\(P\)点的坐标;
\(②\)并求出此时在\(y\)轴上找到点\(E\)点,使\(|EQ-EP|\)值最大时的点\(E\)坐标.