Verify that the given vector field h is a gradient.

| August 31, 2017

Question
Verify that the given vector field h is a gradient. Then calculate the line integral of h over the indicated curve C by finding f such that the gradient of f=h and evaluating f at the endpoints of C. h(x,y)=(x2-y)i+(y2-x)j r(u)=6cos(u)i+2sin(u)j u=[0,2pie] I know that vector field h is gradient I just need to set up and calculate the integral

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