Edexcel IGCSE Math B 2.F subsets
Practise subset questions by choosing elements systematically so every required subset is listed once and no invalid subset appears.
- Syllabus
- First assessment 2018
- Course
- Math B 4MB1
Exam points
- List all two-element subsets of a finite set such as {a,b,c,d} systematically.
- Apply conditions such as containing b when choosing the valid subsets.
2.F Subsets question 1
[Maximum number: 3]
P={a,b,c,d}.
Write down all of the subsets of P that have 2 elements.
Answer:
{a,b},{a,c},{a,d},{b,c},{b,d},{c,d}.
Marks: B3, minus 1 for each error or omission. Penalise extra permutations once only.
All question bank results loaded