Spoètìte $\int _{\varphi } f(z) dz $ kde

a) $\varphi (t) =  -i + it^2 $ pro $t \in [0,2]$ \quad ,

b) $\varphi (t) =  e^{-\pi i t} $ pro $t \in [0,2\pi]$ \quad ,

c) $\varphi (t) = e^{\pi i t}  $ pro $t \in [0,2\pi]$ \quad ,

d) $\varphi (t) =  1 -i + it^2 $ pro $t \in [0,1]$ \quad ,

e) $\varphi (t) =  t+it^2 $ pro $t \in [0,1]$ \quad ,

pro jednotlivé funkce

A) $f(z)=z^3$  \quad , B) $f(z)=\bar z$ \quad ,

C)  $f(z)=1/z$  \quad ,D) $f(z)=\sin(z)$ \quad .
