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\({5 \over 2 -\sqrt{3}}\)

please explain the steps because i'm totally lost!

Guest Sep 25, 2017
 #1
avatar+86859 
+1

 

  5

____         mutiply top / bottom by   2 + √3  .......this is the conjugate

2 - √3

 

 

      5  [  2 + √3  ]

_______________    =

[ 2 - √3 ] [  2 + √3 ]  

 

 

                     

10 + 5√3                 10 + 5√3                  10 + 5√3

________  =           ________   =       

 4   -    3                       1

 

 

 

cool cool cool

CPhill  Sep 25, 2017

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