6.
设
\(e\)\({\,\!}_{1}\),
\(e\)\({\,\!}_{2}\)是不共线的非零向量,且
\(a\)\(=\)
\(e\)\({\,\!}_{1}-2\)
\(e\)\({\,\!}_{2}\),
\(b\)\(=\)
\(e\)\({\,\!}_{1}+3\)
\(e\)\({\,\!}_{2}\).
\((1)\)证明:\(a\),\(b\)可以作为一组基底;
\((2)\)以\(a\),\(b\)为基底,求向量\(c\)\(=3\)\(e\)\({\,\!}_{1}-\)\(e\)\({\,\!}_{2}\)的分解式;
\((3)\)若 \(4\)\(e\)\({\,\!}_{1}-3\)\(e\)\({\,\!}_{2}=\)\(λa\)\(+\)\(μb\),求\(λ\),\(μ\)的值.