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Financial Maths, 2ADV M1 EQ-Bank 12

Evaluate \(\displaystyle \sum_{r=4}^7\left(2^r+3 r\right)\).   (2 marks)

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\(306\)

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\(\displaystyle \sum_{r=4}^7\) \(=2^4+12+2^5+15+2^6+18+2^7+21\)
  \(=306\)

Filed Under: Arithmetic Series, Geometric Series Tagged With: Band 3, smc-7126-40-AP/GP Combination, smc-7127-40-AP/GP Combination

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