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Which ones belong

Exercise and reference answers

Questions
  1. Items
    1. Text
      Terms are added
      Matches the category
      Yes
    2. Text
      Uses sigma
      Matches the category
      Yes
    3. Text
      Terms just listed
      Matches the category
      No
    4. Text
      Has an nth term
      Matches the category
      No
    Category
    True of a series
  2. Items
    1. Text
      Constant ratio
      Matches the category
      Yes
    2. Text
      No zero terms
      Matches the category
      Yes
    3. Text
      Constant sum
      Matches the category
      No
    4. Text
      Constant added
      Matches the category
      No
    Category
    True of a G.P.
Instructions
Tap only the items that fit the category shown.

Explanation

_Source: syllabus Mathematics, Ch 8 'Sequences and Series'_
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