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Mathematics

Roster form using factors

In this Class 11 Mathematics topic from Sets, students learn to express a set in roster form by listing all its distinct elements inside braces. They use factor-based conditions to identify the required elements, such as the positive factors of a number, and check that no element is omitted or repeated. The topic also reinforces that the order of elements does not change a set and helps students move accurately from a verbal or symbolic description to an explicit list.

Easy · Level 1 · 2 questions

TOPIC PRACTICE

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  1. Positive factors of 6
  2. Multiples of 6
  3. Even numbers less than 6
  4. Odd numbers less than 6
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  1. A = {1, 2, 4, 8, 16}
  2. A = {2, 4, 6, 8, 10, 12, 14, 16}
  3. A = {16, 32, 48}
  4. A = {1, 4, 16}

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