Respuesta :

sqdancefan
The expression [tex]\frac{x+1}{8x^{2}-65x+8}[/tex] is undefined when its denominator is zero. The denominator factors as
  (x-8)(8x -1)
so it will be zero for x = 1/8 and x = 8.

The largest value of x for which the expression is undefined is 8.

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