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Let Evaluate the Line Integral CFdr\int _ { C } \mathbf { F } \cdot d \mathbf { r }

Question 118

Multiple Choice

Let F(x,y,z) =xi+yj+zk(x2+y2+z2) 3/2\mathbf { F } ( x , y , z ) = \frac { x \mathbf { i } + y \mathbf { j } + z \mathbf { k } } { \left( x ^ { 2 } + y ^ { 2 } + z ^ { 2 } \right) ^ { 3 / 2 } } . Evaluate the line integral CFdr\int _ { C } \mathbf { F } \cdot d \mathbf { r } , where C is the curve of intersection of the paraboloid x2+y2=2zx ^ { 2 } + y ^ { 2 } = 2 z and the cylinder x2+y2=2xx ^ { 2 } + y ^ { 2 } = 2 x .


A) 11

B) 1- 1
C) 2\sqrt { 2 }
D) 2- \sqrt { 2 }
E) 3\sqrt { 3 }
F) 3- \sqrt { 3 }

G) 22

H) 00

Correct Answer:

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