Neocijenjeno
Feb. 22, 2024, 8:50 p.m. (2 years, 6 months)
Ako su a, b i c realni brojevi za koje je a+b\neq0, b+c\neq0 i a+c\neq0, dokaži da izraz: 
\left(1+\dfrac{c}{a+b}\right)  \left(  1+\dfrac{a}{b+c}\right)
\left( 1+\dfrac{b}{a+c}\right)  -\dfrac{a^{3}+b^{3}+c^{3}}
{\left(a+b\right)  \left(b+c\right)  \left(a+c\right)}
ne ovisi o vrijednostima brojeva a, b i c.
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