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Let F=∇f,\mathbf { F } = \nabla f , Where f(x,y)=sin⁡(x−8y)f ( x , y ) = \sin ( x - 8 y )

Question 37

Multiple Choice

Let F=∇f,\mathbf { F } = \nabla f , where f(x,y) =sin⁡(x−8y) f ( x , y ) = \sin ( x - 8 y ) . Which of the following equations does the line segment from (0,0) ( 0,0 ) to (0,π) ( 0 , \pi ) satisy?


A) ∫CF⋅dr=0\int _ { C } \mathbf { F } \cdot d \mathbf { r } = 0
B) ∫CF⋅dr=1\int _ { C } \mathbf { F } \cdot d \mathbf { r } = 1
C) none of these

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