Respuesta :

B.1/3
Hope this helps.

Answer:

B. [tex]\frac{1}{3}[/tex]

Step-by-step explanation:

Given expression is,

[tex]\frac{3x}{1-3x}[/tex]

Which is a rational expression ,

Since, the exclude value of a rational expression are the values for which denominator = 0,

Here, the denominator = 1 - 3x

If 1 - 3x = 0,

[tex]\implies -3x = - 1 \implies x = \frac{1}{3}[/tex]

Hence, the excluded value of the given expression is [tex]\frac{1}{3}[/tex]

Option B is correct.