4 years ago

What is the standard form of (2-4i)(3+5i)/(3+i)?

Mathematics

2 answers:

Eva8 [605]4 years ago

8 0

Answer:

AKA Letter Choice E on Plato!!

german4 years ago

5 0

$\dfrac{(2-4i)(3+5i)}{3+i}=\\
\dfrac{6+10i-12i+20}{3+i}=\\
\dfrac{26-2i}{3+i}=\\
\dfrac{(26-2i)(3-i)}{9+1}=\\
\dfrac{78-26i-6i-2}{10}=\\
\dfrac{76-32i}{10}=\\
\dfrac{38}{5}-\dfrac{16}{5}i$

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