where C is the CCW-curve boundary of region (R): {(x, y): 0≤x≤ 1,2x² ≤ y ≤ 2x}.
(0,0)

2- Evaluate the line integral f(x + 2y) dx - 2xdy along the following paths from (0,0) to
(1,2)

1- y = 2x²
2- y = x¹/2