TaniyaV184131 TaniyaV184131

03-11-2022
Mathematics

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

Can you help me with this one please Only part b class=

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TiffanyW96695 TiffanyW96695

03-11-2022

Simplifying,

[tex]\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}[/tex]

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