The area bounded by the curves y = (x - 1)2, y = (x + 1)2, and y = 14 is:

Evaluate the improper integral ∞1 11 + x2 dx.

Evaluate the double integral I = &iint;R (x2 + y2) dx dy over the region bounded by the circle x2 + y2 = a2.

Evaluate the double integral 10 1y ex2 dx dy.