Question

By using differentiation of product rule, find dy/dx of y=x cos x

Answer 1

@ganeshie8

Answer 2

\[\frac{dy}{dx}=\frac{d}{dx}x\cos x = x\frac{d}{dx}\cos x+\cos x\frac{d}{dx}x\]

Answer 3

Product rule:
\[\frac{d}{dx}uv=u\frac{d}{dx}v + v\frac{d}{dx}u\]

Answer 4

Got it!
Thanks @Callisto

Answer 5

You're welcome!

Answer 6

How to do this?
y=x^2 sin 2x