xY Evaluate the line integral / [In(lty) dx + dy] using Green's Theorem, as needed. is the triangle with vertices C 1+y (0, 0), (2, 0), and (0, 4), and C is oriented counterclockwise. Give an exact answer.Find an equation of the tangent plane to the surface f (x;y) =x- - 2xy+ y- at the point (8,9,1) . A 2x- y - :=1 B none of the above C .X - -y - 2:= -3 2 D 2x - 2y+ :=-1 E x -2y - 42=3