Definitions by Sleepy Ghost

¯\_(ツ)_/¯ 

The face you make when you're asked to do a super hard math problem

Professor: Solve (2/3 (x^2+4)^(1/2) (x^2-9)^((-2)/3)-x(x^2-9)^(1/3) (x^2+4)^((-1)/2))/(x^2+4)

Me: ¯\_(ツ)_/¯

¯\_(ツ)_/¯ by Sleepy Ghost May 5, 2018