OCR C2 2014 June — Question 2

Exam BoardOCR
ModuleC2 (Core Mathematics 2)
Year2014
SessionJune
TopicArithmetic Sequences and Series
2 A sequence \(u _ { 1 } , u _ { 2 } , u _ { 3 } , \ldots\) is defined by \(u _ { n } = 3 n - 1\), for \(n \geqslant 1\).
  1. Find the values of \(u _ { 1 } , u _ { 2 }\) and \(u _ { 3 }\).
  2. Find \(\sum _ { n = 1 } ^ { 40 } u _ { n }\).
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