The line integral ∫V . dr of the vector V(r)= 2xyzî

The line integral ∫V . dr of the vector V(r)
= 2xyzî + x²zî + x²ĵ + xyk̂ from the origin to the point P(1, 1, 1)

Since, potential function of V is x²yz
∴ (x²yz) at (1, 1, 1) — x²yz at (0, 0, 0) = 1