Evaluate: `lim_(xrarr1) (x-1)/(2x^(2)-7x+5)`

Explanation

`underset(xrarr1)"lim"(x-1)/(2x^(2)-7x+5)`
`=underset(xrarr1)"lim"(x-1)/((x-1)(2x-5))`
`=underset(xrarr1)"lim"(1)/(2x-5)`
`=(1)/(2-5)=-(1)/(3)`.