question_answer

Solve form, m, \[{{\mathbf{m}}^{\mathbf{2}}}-\mathbf{4m}+\mathbf{3}\text{ }\ge \text{ }\mathbf{0}\]

A) \[m\in (-\,\infty ,\,\,1]\,\,U\,[3,\,\,\infty )\]               

B) \[m\in (-\,\infty ,1)\,\,U\,(3,\infty )\]

C) \[m\in (1,2)\,\,U\,(2,\,\,3)\]

D) \[m\in (-\,\infty ,1]\,\,U\,[2,\infty )\]

E) None of these