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By using synthetic division, find the value of k such that 

x^3 - 2x - 3k  divided by  x + 2  has a remainder 4

 Nov 4, 2014

Best Answer 

 #1
avatar+130511 
+5

So we have........

 

-2      1     0    -2     -3k

               -2     4      -4

         1    -2     2        4

So -3k - 4 = 4

Add 4 to both sides

-3k = 8

So,  k = -8/3

 

 Nov 4, 2014
 #1
avatar+130511 
+5
Best Answer

So we have........

 

-2      1     0    -2     -3k

               -2     4      -4

         1    -2     2        4

So -3k - 4 = 4

Add 4 to both sides

-3k = 8

So,  k = -8/3

 

CPhill Nov 4, 2014

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