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14 votes
14 votes
F(3i)=4-(3i)^2 please!!

User Shweta Singh
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1 Answer

28 votes
28 votes

4-(3i)^2=4-((3^2)(\sqrt[]{-1})^2)=4-(9*-1)=4+9=13

Then we have that f(3i)=13

User Jahrel
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