Consider the statement, 1/2 +23 + *** Prove this statement, by induction, for all positive integers n. (a) [4 Pts] State the base case and prove it. 1 n. (n+1) (c) [6 Pts] Now, prove the statement. 11 n n + 1 (b) [4 Pts] State what you assume and what you need to prove for the inductive step.