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(n^2-1)/(2n²-7n-4) excluded value?

 Apr 16, 2015

Best Answer 

 #1
avatar+130516 
+5

The only "excluded" values are those that make the denominator = 0

So we have

2n^2 - 7n - 4 = 0     factor

(2n +1)(n - 4)  = 0    and setting both factors to 0, we find that the "excluded" values are n = -1/2 and n  = 4 

 

  

 Apr 16, 2015
 #1
avatar+130516 
+5
Best Answer

The only "excluded" values are those that make the denominator = 0

So we have

2n^2 - 7n - 4 = 0     factor

(2n +1)(n - 4)  = 0    and setting both factors to 0, we find that the "excluded" values are n = -1/2 and n  = 4 

 

  

CPhill Apr 16, 2015

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