Question

bài 4 cho \(\frac{a}{b}=\frac{b}{c}=\frac{c}{a}\) và a +_b + c # 0; a=2005. tinh b, c

giúp mk với  

thanksss~~~~~~~

 

Answer 1

\(\frac{a}{b}=\frac{b}{c}=\frac{c}{a}=\frac{a+b+c}{b+c+a}=1\)

\(\Rightarrow\)a=b=c=2005

Answer 2

vì \(\frac{a}{b}=\frac{b}{c}=\frac{c}{a}\)  \(\Rightarrow\frac{a+b+c}{b+c+a}=1\) \(\Rightarrow a=b=c=2005\) 

Vậy a=b=c=2005