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express\(\frac{15 + 10i}{1 + 2i}\)in rectangular form

 Apr 1, 2020

Best Answer 

 #2
avatar+626 
+2

Hey I'm in Honors Geometry let us try some algebra II!

Rectangular form is \(a + bi\) according to https://www.youtube.com/watch?v=o0b1dSn_yNY

 

I learned from this video https://www.youtube.com/watch?v=a6RL2vmmPOU to do the following:

\(\frac{15 + 10i}{1+2i}*\frac{1-2i}{1-2i}=\frac{15+10i-30i+20}{1-2i^2}=\frac{35-20i}{3}\)

.
 Apr 1, 2020
 #2
avatar+626 
+2
Best Answer

Hey I'm in Honors Geometry let us try some algebra II!

Rectangular form is \(a + bi\) according to https://www.youtube.com/watch?v=o0b1dSn_yNY

 

I learned from this video https://www.youtube.com/watch?v=a6RL2vmmPOU to do the following:

\(\frac{15 + 10i}{1+2i}*\frac{1-2i}{1-2i}=\frac{15+10i-30i+20}{1-2i^2}=\frac{35-20i}{3}\)

AnExtremelyLongName Apr 1, 2020
 #3
avatar+111321 
0

Very nice, AELN  !!!!!

 

 

cool cool cool

CPhill  Apr 1, 2020

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