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If F(x,y)=(4y2+6xy2)i+(3x2+8xy+1)j\mathbf { F } ( x , y ) = \left( 4 y ^ { 2 } + 6 x y - 2 \right) \mathbf { i } + \left( 3 x ^ { 2 } + 8 x y + 1 \right) \mathbf { j }

Question 180

Multiple Choice

If F(x,y) =(4y2+6xy2) i+(3x2+8xy+1) j\mathbf { F } ( x , y ) = \left( 4 y ^ { 2 } + 6 x y - 2 \right) \mathbf { i } + \left( 3 x ^ { 2 } + 8 x y + 1 \right) \mathbf { j } is a conservative field, then its potential function f(x,y) f ( x , y ) is


A) 4xy23x2y2xy+C4 x y ^ { 2 } - 3 x ^ { 2 } y - 2 x - y + C
B) 4xy23x2y+2x+y+C4 x y ^ { 2 } - 3 x ^ { 2 } y + 2 x + y + C
C) 4xy2+3x2y+2x+y+C4 x y ^ { 2 } + 3 x ^ { 2 } y + 2 x + y + C
D) 4xy2+3x2y2x+y+C4 x y ^ { 2 } + 3 x ^ { 2 } y - 2 x + y + C
E) 4xy23x2y2x+y+C4 x y ^ { 2 } - 3 x ^ { 2 } y - 2 x + y + C

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