2.
\((1)\)已知向量\(\overrightarrow{a}=(–1,2)\),\(\overrightarrow{b}=(m,1).\)若向量\(\overrightarrow{a}+\overrightarrow{b}\)与\(\overrightarrow{a}\)垂直,则\(m=\)________.
\((2)\)渐近线为\(y=\pm \sqrt{3}x\),且过点\((1,1)\)的双曲线方程是__________.
\((3)\)在\(\Delta ABC\)中,角\(A,B,C\)的对边分别为\(a,b,c\),若\(A=\dfrac{\pi }{3},a=\sqrt{3},b=1\),则\(c=\)_____.
\((4)\)已知函数\(f(x)={{(\dfrac{1}{2})}^{x}}\),\(g(x)={{\log }_{\frac{1}{2}}}x\),记函数\(h(x)=\begin{cases} & g(x),f(x)\leqslant g(x) \\ & f(x),f(x) > g(x) \end{cases}\),则函数\(F(x)=h(x)+x-5\)所有零点的和为_________.