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OpenStudy (anonymous):
Simplify. (5 + i)2 A) 24 B) 24 + 10i C) 25 + 10i D) 26 + 10i
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OpenStudy (anonymous):
\[(5 + i)^2=(5+i)(5+i)=(25-1)+(5+5)i=24+10i\]
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