Question

Partial derivative

Answer 1

F(x,y,z)= ln(xyz)

Answer 2

find f'x, f'y, f'z

Answer 3

f'x should be 1/x or yz/x ?

Answer 4

1/x

Answer 5

because\[\frac{d}{dx}(\ln(f(x))=\frac{f'(x)}{f(x)}\]applying this rule on ur question\[\frac{d}{dx}(\ln(xyz))=\frac{yz}{xyz}=\frac{1}{x}\]

Answer 6

thank u very much, its helpful =D

Answer 7

:)