Edexcel IGCSE Math B 2.B Set language & notation Question Bank
Practise interpreting set symbols such as ∩, ∪, complements and n(A), including statements about common or excluded elements.
- Syllabus
- First assessment 2018
- Course
- Math B 4MB1
Exam points
- interpret compound notation
- explain when an intersection is empty by referring to elements the sets have in common
2.B Set language and notation question 1
[Maximum number: 1]
15E={1,2,3,4,5,6,7,8,9}A={2,4,6,8}B={1,3,5,7,9}C={2,3,5,7}
Explain why A∩B∩C=∅
eg there are no elements in all three of A, B,
C
or A B= as A has even numbers and B
has odd numbers, so A B C must be
' A and B have nothing in common'
'there is nothing in common'
'there are no common elements'
ое
reason
B1
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