Zadaci $$ \textbf{ a) } \sqrt{2}{ 1055 \textbf{ b) } \sqrt{2}{ -9 } $$ b) $$ \sigma(z_i) = \frac{e^{z_{i}}}{\sum_{j=1}^K e^{z_{j}}} \ \ \ for\ i=1,2,\dots,K $$