Let F = Vf and f = 5x²y - 5z. Calculate F. dr for the path r₁ = (t, t,0), 0 ≤ t ≤ 1. (Give your answer as a whole or exact number.) [V F. dr₁ = Calculate (Give your answer as a whole or exact number.) F. dr for the path r₂ = (t, 1²,0), 0 ≤ t ≤ 1. [.F. с F.dr₂ = Calculate f(Q)-f(P). The point Q is the end point of the both paths r₁ and r₂, Q = r₁ (1) = r₂(1). The point P is the starting point of the both paths r₁ and r₂, P = r₁(0) = r₂(0). (Give your answer as a whole or exact number.) f(Q)-f(P) =

Q: only part b

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