SOLUTION: Find the critical numbers of F: F(x)= (x^2-1)/(x^2-4x+3)

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Question 1086096: Find the critical numbers of F:
F(x)= (x^2-1)/(x^2-4x+3)
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39613) About Me  (Show Source):
You can put this solution on YOUR website!
F%28x%29=+%28x%5E2-1%29%2F%28x%5E2-4x%2B3%29

F%28x%29=%28%28x%2B1%29%28x-1%29%29%2F%28%28x-1%29%28x-3%29%29

Critical values of x are at -1, 1, 3.

Answer by MathTherapy(10549) About Me  (Show Source):
You can put this solution on YOUR website!

Find the critical numbers of F:
F(x)= (x^2-1)/(x^2-4x+3)
Critical values are those that make the fraction UNDEFINED. 

These are: highlight_green%28matrix%281%2C3%2C+3%2C+and%2C+1%29%29