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集合
当
参考答案:\( (-\mathrm{\infty },2)\cup (6,+\mathrm{\infty })\)
由题意知,\(A\cap B=\varnothing \),①\(B=\varnothing \)时,\(m<2\);②\(B\ne \varnothing \)时,\( \left\{\begin{array}{l}m\ge 2\\ m+1>7\end{array}\right.\)或\( \left\{\begin{array}{l}m\ge 2\\ 2m-1<-3\end{array}\right.\),解得\(m>6\),
∴实数\(m\)的取值范围为\( (-\mathrm{\infty },2)\cup (6,+\mathrm{\infty })\).