Question 1098395
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Those values are not permitted that make the denominator equal zero.


To find them, solve the quadratic equation

x^2-4x+3  = 0.


To solve it, factor the left side:

(x-1)*(x-3) = 0.


The roots are 1 and 3.


<U>Answer</U>.  The values under the question are 1 and 3.
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