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

F(3i)=4-(3i)^2 please!!
asked 116k views
2 votes
F(3i)=4-(3i)^2 please!!

asked
User QBziZ
by
8.2k points

1 Answer

5 votes

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

Then we have that f(3i)=13

answered
User Dezigo
by
7.7k points
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