annameghan
annameghan
03-10-2017
Mathematics
contestada
simplify 10 over 8-5i
Respuesta :
liemonder
liemonder
06-10-2017
[tex]\frac{10}{8-5i}=\\ \frac{10}{8-5i}*\frac{8+5i}{8+5i}=\\ \frac{10*(8+5i)}{(8-5i)(8+5i)}=\\ \frac{80+50i}{64-25i^2}=\\ \frac{80+50i}{64+25}=\\ \frac{80+50i}{89}[/tex]
so it is the second option
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