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10. (10 Points) Evallate the line interal 6041f28660c50.jpg along the curve C : r(t) = (t2+1)i+ (t2 - 1)j, 0 ≤ t ≤ 2. Hint you may find a potential function f of the vector field F(x,y) =6041f2c058896.jpg find f so that F = ∇f.



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