6.37 A source with a strength of q=3 m2 s and a sink with a strength of...

6.37 A source with a strength of q=3π m2 s and a sink with a strength of q=π m2 s are located on the x axis at x = −1 m and x = 1 m, respectively. Determine the stream function and velocity potential for the combined flow and sketch the streamlines.