Analitička geom. u prostoru

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5 years 5 months ago #137 by
Sastaviti jednačinu normale koja prolazi kroz tačku [math]A(2,3,1)[/math] , a normalna je na pravu [math]frac{x+1}{2}=frac{y}{-1}=frac{z-2}{3}[/math]

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