Evaluate the given integral along the given contour eliz (a) $2²²-52 +2° dz; where C is the circle of |z| = 1. 1 (b) $z dz; whereC is the circle of |z| = 1. z²+2z+2 (c) & sin(2²) dz; where C is the circle of |z| = 2. z³