[tex] \to \rm m = \dfrac{y_2 - y_1}{x_2 - x_1} [/tex]
[tex] \\ \\ [/tex]
[tex] \to \rm m = \dfrac{4 - ( - 2)}{3 - 1} [/tex]
[tex] \\ \\ [/tex]
[tex] \to \rm m = \dfrac{4 + 2}{3 - 1} [/tex]
[tex] \\ \\ [/tex]
[tex] \to \rm m = \dfrac{6}{2} [/tex]
[tex] \\ \\ [/tex]
[tex] \to \rm m = \cancel \dfrac{6}{2} [/tex]
[tex] \\ \\ [/tex]
[tex] \to \rm m =3[/tex]
Required Answer:-3