You have N (an even number 2) identical capacitors, each with a capacitance of C. In

Question:

You have N (an even number ≥ 2) identical capacitors, each with a capacitance of C. In terms of N and C, what is their total effective capacitance?
(a) If they are all connected in series?
(b) If they are all connected in parallel?
(c) If two halves (N/2 each) are connected in series and these two sets are connected in parallel?