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What is 4i^2

Guest Feb 15, 2017

Best Answer 

 #1
avatar+19653 
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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

heureka  Feb 16, 2017
 #1
avatar+19653 
+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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