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Let F(x,y,z)=x2y2i+x2z2j+y2z2k\mathbf { F } ( x , y , z ) = x ^ { 2 } y ^ { 2 } \mathbf { i } + x ^ { 2 } z ^ { 2 } \mathbf { j } + y ^ { 2 } z ^ { 2 } \mathbf { k }

question 126

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Let F(x,y,z)=x2y2i+x2z2j+y2z2k\mathbf { F } ( x , y , z ) = x ^ { 2 } y ^ { 2 } \mathbf { i } + x ^ { 2 } z ^ { 2 } \mathbf { j } + y ^ { 2 } z ^ { 2 } \mathbf { k } . Let C be the rectangular path from (1,1,2)( 1,1,2 ) to (3,1,2)( 3,1,2 ) to (3,5,2)( 3,5,2 ) to (1,5,2)( 1,5,2 ) to (1,1,2)( 1,1,2 ) . Use Stokes' Theorem to evaluate the line integral CFTd s\int _ { C } \mathbf { F } \cdot \mathbf { T } d \mathrm {~s} , where T is the unit tangent vector to C.


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