sequencesandseries

  1. A

    Sequences and Series in Ext 2

    Can sequences and series questions be in the Ext 2 HSC or is it just in advanced?
  2. S

    Math Advanced Help

    Does anyone know how to prove the equations for c (i) ?? Thank you in advanced! Yesterday, a tennis ball used in a game of cricket in the playground was hit onto the science block roof. Luckily it rolled off the roof. After bouncing on the playground it reached a height of 3 metres. After the...
  3. N

    Difficult question which involves a geometric series

    I'm finishing off holiday work assigned to me before school starts back and I find myself stuck on this question all the time: "In any GP, let Rn = T(n + 1) + T(n + 2) + ... + T(2n). Show that Rn:Sn = r^n:1, and hence find r if R8:S8 = 1:81" This is how the question is printed in my textbook...
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