Quelpr

Other parts of this question

  1. 2(b)Express, in terms of n and in the SIMPLEST form,[1 mark]
  2. 2(b)(i)Σ (from r=1 to 2n) r[2 marks]
  3. 2(b)(ii)Σ (from r=n+1 to 2n) r.[4 marks]
  4. 2(c)Find n if Σ (from r=n+1 to 2n) r = 100.[4 marks]

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