9.
命题\(p:\)实数\(x\)满足\({{x}^{2}}-4ax+3{{a}^{2}} < 0\),其中\(a > 0\);命题\(q:\)实数\(x\)满足\(\begin{cases} & {{x}^{2}}-x-6\leqslant 0, \\ & {{x}^{2}}+2x-8 > 0. \\ \end{cases}\)
\((1)\)若\(a=1\) ,且\(p\wedge q\)为真,求实数\(x\)的取值范围;
\((2)\)若\(\neg p\)是\(\neg q\)的充分不必要条件,求实数\(a\)的取值范围.