Respuesta :

Answer:

[tex]{ \tt{ \delta x = \frac{x _{2} - x _{1} }{2} }} \\ [/tex]

substitute for the values of x :

[tex]{ \tt{ \delta x = \frac{0 - ( - 2)}{2} = \frac{2}{2} }} \\ \\ { \underline{ \tt{ \: \: \delta x = 1 \: \: }}}[/tex]