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(-i)(-5i) = ?

 Aug 28, 2014

Best Answer 

 #1
avatar+118723 
+5

(-i)(-5i) =5i^2=5*-1=-5

 Aug 28, 2014
 #1
avatar+118723 
+5
Best Answer

(-i)(-5i) =5i^2=5*-1=-5

Melody Aug 28, 2014

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