R1=r2/r1+r2

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Solution for R1=r2/r1+r2 equation: 



1=R2/R1+R2

We move all terms to the left:

1-(R2/R1+R2)=0



Domain of the equation: R1+R2)!=0

R∈R



We add all the numbers together, and all the variables

-(+R^2+R2/R1)+1=0

We get rid of parentheses

-R^2-R2/R1+1=0

We multiply all the terms by the denominator


-R^2*R1-R2+1*R1=0

We add all the numbers together, and all the variables

-1R^2-R^2*R1+R=0

Wy multiply elements

-1R^2-1R^3+R=0

We do not support eRpression: R^3

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