Maths Problem. This is how you do default,math sis hard and what better way to do maths than this one.Or you can just Google the solution... Pretty accurate. Pic related, professor decided to prove stokes's theorem in our calc 3 course the pen-ultimate day of the semester. Looks more complicated than Maths Problem This is how you do default math sis hard and what better way to maths than this one Or can just Google the solution Pretty accurate Pic related professor decided prove stokes's theorem in our calc 3 course pen-ultimate day of semester Looks more complicated