Polar Plot: Questions for Practice

Video  link for polar plot
https://www.youtube.com/watch?v=vZVaHxicUdY
1. Sketch the Polar plot for the following functions:

1. G(s) = 1/(1+s)
2. G(s) = 10/s(1+s)
3. G(s) = 8/(s+1)(s+2)
4. G(s) = 14/s(s+1)(s+2)
5. G(s) = (1+6s)/(1+2s)

Appr. Sketches to above   functions 

2. What is Polar plot? Write steps to plot Polar plots.
3. Write applications of Polar plots.

Note: Read the notes provided to you today in your group and if any doubts/confusion you can comment/ Call and email me.
Hope for your safe and healthy life

With Best wishes
jitender