cloodle Junior | Next Rank: 30 Posts View User Profile Posts: 18 Joined: Sun Sep 28, 2008 5:45 pm arithmetic and geometric sequences by cloodle » Tue Oct 07, 2008 1:12 pm Hey guys, Do you really need to know by heart the formulas for nth number and sum for arithmetic and geometric sequences? or will you be given the formula if you're expected to use it? What would you recommend? Thanks! Top Quote
