CSEC Additional Mathematics · 2016 · Paper 2 · Question 2(b)
Evaluate Σ (from n=1 to 25) 3⁻ⁿ.
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Practise this questionOther parts of this question
- 2(a)(i)Determine the nature of the roots of the quadratic equation 2x² + 3x – 9 = 0.[1 mark]
- 2(a)(ii)Given that f(x) = 2x² + 3x – 9, sketch the graph of the quadratic function, clearly indicating the minimum value.[5 marks]
- 2(c)Calculate the total dividends on his investment by the end of 2016.[5 marks]
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