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Sagot :
Answer:
[tex](9/50) + 37i/50[/tex]
Step-by-step explanation:
= [tex]-5+2i/1+7i[/tex] * [tex]1-7i/1-7i\\[/tex]
[tex]=(-5+2i)(1-7i)/(1+7i)(1-7i)\\= (-5+35i+2i-14i^2)/1-49i^2\\=(-5+37i+14)/1+49\\=9+37i/50\\=(9/50) + 37i/50[/tex]
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