Practice problem
What is the derivative of cosxx\frac{\cos x}{x}xcosx?
cosx−xsinxx2\frac{\cos x-x \sin x}{x^2}x2cosx−xsinx
xsinx−cosxx2\frac{x\sin x - \cos x}{x^2}x2xsinx−cosx
−sinx-\sin x−sinx
Type a concept, like “slope” or “photosynthesis”.