Find f so that F = ?f. If the fuction is not conservative state so.F(x,y) = (x + 2y - 7)i + (-2x + 7y2 + 7)j
A. f(x, y) = 
- 2xy + 7x + 
+ 7y + C
B. f(x, y) = 
- 2xy + 
+ C
C. f(x, y) = 
+ 2xy - 7x + 
+ C
D. not conservative
Answer: D
Mathematics
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