The structure of the Problem sets from MAT 21C are currently as follows:
HW 1: Review material from 21AB (Derivatives and Integrals)
HW 2: 11.1 - 11.3 (Sequences, Geometric Series, Integral Test)
HW 3: 11.3 - 11.5 (Integral Test, Comparison Tests, Ratio/Root Tests)
HW 4: 11.6 - 11.7 (Alternating Series, Absolute/Conditional Convergence, Power Series)
HW 5: 11.8 (Taylor & Maclaurin Series)