Can you help me with this one please? Only part b

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SleeplessKnight asked Jul 15, 2023

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Can you help me with this one please? Only part b

Mathematics
high-school

SleeplessKnight asked Jul 15, 2023

by SleeplessKnight

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Simplifying,

$\begin{gathered} ((5+2i)^2-2)i\rightarrow(25+20i+4i^2-2)i\rightarrow(23+20i-4)i \\ \\ \rightarrow(19+20i)i\rightarrow19i+20i^2\rightarrow-20+19i \end{gathered}$

Barath Ravikumar answered Jul 19, 2023

by Barath Ravikumar

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