SOLUTION: If i =1, then (5 + 2i)2 =?

SOLUTION: If i =1, then (5 + 2i)2 =?

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Question 1183614: If i =1, then (5 + 2i)2 =?

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

If , then =?
first,
as you know
then
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