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The Domain of the Vector Field F(x,y)=xyi+5xyj\mathbf { F } ( x , y ) = \sqrt { x y } \mathbf { i } + \frac { 5 } { x y } \mathbf { j }

Question 3

Multiple Choice

The domain of the vector field F(x,y) =xyi+5xyj\mathbf { F } ( x , y ) = \sqrt { x y } \mathbf { i } + \frac { 5 } { x y } \mathbf { j } is


A) {(x,y) :xy0}\{ ( x , y ) : x y \neq 0 \}
B) {(x,y) :xy>0}\{ ( x , y ) : x y > 0 \}
C) {(x,y) :xy0}\{ ( x , y ) : x y \geq 0 \}
D) {(x,y) :x>0,y>0}\{ ( x , y ) : x > 0 , y > 0 \}
E) {(x,y) :x<0,y<0}\{ ( x , y ) : x < 0 , y < 0 \}

Correct Answer:

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