$$ \begin{align*} \textbf{Izračunaj ove izraze } \\ &\ a) §§V1(3,12,2)§§ X^{2}-\frac{1}{ §§V1(1,10,1)§§ } Y^{2} = 0 \\ &\ b) §§V3(2,12,2)§§ X^{2}-\frac{1}{ §§V5(1,10,1)§§ } Y^{2} = 0 \\ &\ c) \binom{21}{x}\sum_{x}^{x+12} ( X+2X - §§V2(5,20,1)§§ ) \\ &\ d) X^{3} - §§V2(3,33,3)§§ X - §§V2(5,20,1)§§ + §§V3(2,12,2)§§ X^{2}-\frac{1}{ §§V5(1,10,1)§§ } Y^{2} = 0 \\ &\ \end{align*} $$