So, to show you the power of Green’s theorem, we will take this line integral, which is impossible by direct calculation, and it will be easy with Green’s theorem…oh, no, it’s still impossible. Let’s try a different one.
By Calculus professor. (via mathprofessorquotes)
We wish to solve the differential equation, but there is this unsavory term here intruding. Essentially, we wish to kill this intruder to obtain a general solution.
By Linear algebra professor (via mathprofessorquotes)