DM374 DM374
  • 06-03-2021
  • Mathematics
contestada

evaluate -5 + 2i / 1 + 7i. Write your answer in the form a + bi (i = sqrt-1)

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ahayee ahayee
  • 06-03-2021

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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yemsi
yemsi yemsi
  • 06-03-2021
I hope this helps ..........................
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