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For what value of x is the expression $\frac{2x^3+3}{x^2-20x+100}$ not defined?

 Jan 4, 2021
 #1
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The numerator is defined for all x

 

The  x values that  make the  denominator  =  0  will  not be defined

 

x^2  -20x  +  100    =    0       factor

 

(x - 10) ( x - 10)   =  0

 

 

Setting  either  factor to 0  and solving for  x

 

x  -  10   =  0

 

x = 10   =  the  value of x that makes  the rational  function undefined

 

 

cool cool cool

 Jan 4, 2021
 #2
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0

Thanks CPhill 

Guest Jan 5, 2021

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