Find (∂z/∂x) of 6xyz
The Attempt at a Solution
The correct answer is 6xy(∂z/∂x) but I would like proof of it. I got something different when I tried taking the partial derivative.
6xyz = 6x(yz) = Multiplication rule for derivatives
6(∂x/∂x) + y(∂z/∂x)
What did I do wrong? Thanks