1.
下列结论:
\(①\)若命题\(p\):\(\exists x∈R\),\(\tan x=1\);命题\(q\):\(\forall x∈R\),\(x^{2}\)一\(x+1 > 0\),则命题“\(P∧\neg q\)”是假命题;
\(②\)已知直线\(l_{1}\):\(ax+3y-1=0\),\(l_{2}\):\(x+by+1=0\),则\(l_{1}⊥l_{2}\)充要条件是\(\dfrac{a}{b}=-3\);
\(③\)命题“若\(x^{2}-3x+2=0\),则\(x=1\)”的逆否命题为“若\(x\neq 1\),则\(x^{2}-3x+2\neq 0\)”\(.\)其中正确的序号为________.