Is there a typo in this question?

[TheFerruccio]

Homework Statement

Find a potential $$f = grad \vec{v}$$ for a given $$\vec{v}(x,y,z)$$

Homework Equations

$$\vec{v} = [3x, 5y, -4z]$$

The Attempt at a Solution

You can't take the gradient of a vector field in this context.

 

[╔(σ_σ)╝]

gradv = (3,5,-4).

What are you talking about ?

Gradient of a scalar field is 0.