O Level Emaths

• Lee012lee

  27 Aug 12, 03:56

  For "O" level EMaths students to try

  Question

  Find the nth term formula for 7, 13, 25, 49 .......

  (Hint : Using the the calculator Casio FX 95SG PLUS to cheat will not be able to find the nth term formula for this question)

  There is another method to cheat to find the nth term formula for this type of numbers.

• somedragon_2012

  5 Sep 12, 18:16

  3(2^n) + 1

  is it? 

• Lee012lee

  23 Sep 12, 04:33

  Originally posted by somedragon_2012:

  3(2^n) + 1

  is it? 

  Yes, it is correct.