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∬FײԻåσwhere F=(y2−x2)i+(2xy−y)j+3zkand σis the entire surface of the tin can bounded by the cylinder

role="math" localid="1657353627256" x2+y2=16

role="math" localid="1657353639412" z=3

role="math" localid="1657353647648" z=-3

Short Answer

Expert verified

The solution is ∬∂T FײԻåσ=192Ï€.

Step by step solution

01

Given Information.

F=y2−x2i+(2xy−y)j+3zk

02

Definition of Divergence Theorem.

The divergence theorem, often known as Gauss' theorem or Ostrogradsky's theorem, is a theorem that connects the flow of a vector field across a closed surface to the field's divergence in the volume enclosed.

03

Find the solution.

Use the divergence theorem ∭T ∇×VdT=∬∂T VײԻåσ, where∂Tis the surface area that encloses the volume T.

∇×F=∂Fx∂x+∂Fy∂y+∂Fz∂z

=−2x+(2x−1)+3

=2=2

Here, ∂σis the entire surface of the tin, and can be bounded by the cylinder.

x2+y2=16

z=3

z=-3

The tin’s radius and height are 4and 6respectively.

∬∂T FײԻåσ=∭T ∇×FdT

=2∬T dT

=(2Ï€)(4)2(6)

=192Ï€

Hence, the solution is ∬∂T FײԻåσ=192Ï€.

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