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Godfrey_Idrobo_Libreros Group TitleBest ResponseYou've already chosen the best response.0
???
 2 years ago

wendy67 Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{ 1+2i }{ \sqrt{2}+i }\]
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
Multiply both numerator and denominator by the conjugate of the denominator.I mean
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
\[\sqrt{2}i\]
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{1+2i}{\sqrt{2}+i}\cdot \frac{\sqrt{2}i}{\sqrt{2}i}\]
 2 years ago

wendy67 Group TitleBest ResponseYou've already chosen the best response.0
I got: \[\frac{ \sqrt{2}i+2i \sqrt{2}2i ^{2} }{ 2i ^{2}}\]
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
but also you know that \[i^2=1\]
 2 years ago

wendy67 Group TitleBest ResponseYou've already chosen the best response.0
so, it would be: \[\frac{ \sqrt{2}i+2i \sqrt{2}2(1) }{ 2(1) }\]
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
yes, now just make arithmetic operations.
 2 years ago

wendy67 Group TitleBest ResponseYou've already chosen the best response.0
ok i got: \[\frac{ \sqrt{2}i+2i \sqrt{2}+2 }{ 3 }\] and this where i got stuck
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
is there a specific anwer you need to get?
 2 years ago

wendy67 Group TitleBest ResponseYou've already chosen the best response.0
yes i should get : \[\frac{ 2+\sqrt{2} }{ 3 }+\frac{ 2\sqrt{2}1 }{ 3 }\]
 2 years ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
I got: \[\frac{\sqrt{2}+2}{3}\frac{1+2\sqrt{2}}{3}i\]
 2 years ago

wendy67 Group TitleBest ResponseYou've already chosen the best response.0
ok so how did you get that?
 2 years ago
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