Use Green’s Theorem to evaluate the following line integral. Assume the curve is oriented counter clockwise. The circulation line integral of vector field F = < 3xy², 4x³ + y > where C is the boundary of
{(x,y) : 0 ≤ x ≤ 2 ≤ π, 0 ≤ y ≤ x}
Calculate ∫C F