Task 18 (Max points: 3) Choose the complex potential that corresponds to the flow picture in the figure, where the solid line shows the current lines, the dotted line - the lines of equal potential and the corresponding type of flow. m > 0 is a real number, z is a complex number 1. w = m Z 2. w = -mlnz 3. Vortex point 4. Runoff Supplementary material: If you don't see the file, please right-click on the link and select "open the link in a new tab" option 1. fig. 1 1 y X