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O-LevelAdditional MathematicsSeries4037/12 · Oct/Nov 2017 · Q36 Marks

Find, in ascending powers of x, the first 3 terms in the expansion of (2 - x²/4)⁵.

  1. (i)Find, in ascending powers of x, the first 3 terms in the expansion of (2 - x²/4)⁵.[3]
  2. (ii)Hence find the term independent of x in the expansion of (2 - x²/4)⁵ (1/x - 3/x²)⁷.[3]

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About this question

Topic
Series, O-Level Additional Mathematics (syllabus 4037). Structured question, 6 marks.
Source
O-Level Additional Mathematics, Oct/Nov 2017 Paper 1 Variant 2, question 3.

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