ok, i usually have no probs with doing induction.. but this one q i have no idea what it means... i just dont get what its asking. The q is Q5a 1999 HSC and is:
Prove for all n positive integers:
(n + 1)(n + 2) ... (2n - 1)2n = 2^n[1x3x...x(2n-1)]
can someone explain what this notation atually...