TEDavidson2002
TEDavidson2002
15-08-2017
Mathematics
contestada
R (r1+r2)=r1r2 - solve for R
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apologiabiology
apologiabiology
15-08-2017
divide both sides by (r1+r2)
[tex]R=\frac{r_1r_2}{r_1+r_2}[/tex]
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