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The Domain of the Vector Field F(x,y)=sin(x+y)i5x22xy+y2j\mathbf { F } ( x , y ) = \sin ( x + y ) \mathbf { i } - \frac { 5 } { x ^ { 2 } - 2 x y + y ^ { 2 } } \mathbf { j }

Question 169

Multiple Choice

The domain of the vector field F(x,y) =sin(x+y) i5x22xy+y2j\mathbf { F } ( x , y ) = \sin ( x + y ) \mathbf { i } - \frac { 5 } { x ^ { 2 } - 2 x y + y ^ { 2 } } \mathbf { j } is


A) {(x,y) :xy}\{ ( x , y ) : x \neq y \}
B) {(x,y) :xy>0}\{ ( x , y ) : x y > 0 \}
C) {(x,y) :xy}\{ ( x , y ) : x \neq | y | \}
D) {(x,y) :x>1,y>0}\{ ( x , y ) : x > 1 , y > 0 \}
E) {(x,y) :xy}\{ ( x , y ) : x \geq | y | \}

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