TAJJ TAJJ
  • 21-08-2014
  • Mathematics
Answered

For what value of x is the rational expression below undefined?
(3x-12)/(9-x)



Answer :

Аноним Аноним
  • 21-08-2014
When x=9 the expression is undefined.

That is because any number over 0 is undefined, including 0/0.
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