The gradient of a scalar field
expressed in terms of polar coordinates [r, ] in the plane is
(r, ) =
+
.
Use the result above to find the constant real numbers a and b such that the vector field F =
cos(2 )
+ a
sin(2 )
is conservative.
A) a = 1 , b = -1
B) a = -1 , b = 2
C) a = -
, b = 2
D) a = -
, b = 2
E) a =
, b = -2
Correct Answer:
Verified
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