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What is 4i^2

 Feb 15, 2017

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 #1
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What is 4i^2

 

\(\begin{array}{|rcll|} \hline && 4i^2 \quad &| \quad i^2 = -1 \\ &=& 4\cdot(-1) \\ &=& -4\\ \hline \end{array}\)

 

laugh

 Feb 16, 2017
 #1
avatar+26364 
+10
Best Answer

What is 4i^2

 

\(\begin{array}{|rcll|} \hline && 4i^2 \quad &| \quad i^2 = -1 \\ &=& 4\cdot(-1) \\ &=& -4\\ \hline \end{array}\)

 

laugh

heureka Feb 16, 2017

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