Perform the indicated operation and write the result in the form \( a+i b \) : \[ (\sqrt{5}-7 i)...
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Perform the indicated operation and write the result in the form \( a+i b \) :
\[
(\sqrt{5}-7 i)(\sqrt{5}-7 i)^{2}+(-2+7 i)^{2}
\]
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