6.
已知\(e\)\({\,\!}_{1}\),\(e\)\({\,\!}_{2}\)是两个不共线的向量,\(\overrightarrow{AB} =\)\(e\)\({\,\!}_{1}+\)\(e\)\({\,\!}_{2}\),\(\overrightarrow{CB} =-\)\(λe\)\({\,\!}_{1}-8\)\(e\)\({\,\!}_{2}\),\(\overrightarrow{CD} =3\)\(e\)\({\,\!}_{1}-3\)\(e\)\({\,\!}_{2}\),若A、\(B\)、\(D\)三点在同一条直线上,求实数\(λ\)的值\(.\)