Question: Given a vector function E = y a x + x a y , evaluate the line integral E * d l from P 1

Given a vector function E=yax+xay, evaluate the line integral E*dl from P1(2,1,-1) to P2(8,2,-1)
a) along the parabola x=2y2
b) along the straight line joining the two points
Is this E a conservative field?
Given a vector function E=yax+xay, evaluate the line integral E*dl from

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