2026 CSS P1 Q8

2026 CSS P1 Q8

Secondary 4
2 marks
  1. Express in set notation, the region shaded in the Venn diagram below.[1]
  2. \(A\) and \(B\) are subsets of \(\xi\).
    The number of elements in the subsets is shown in the Venn diagram.
    Given that \(\mathrm{n}(\xi)=35\), find the value of \(x\).[1]

Solution:

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Answer:(a) \((A\cup B)^{\prime}\) (b) \(x=10\)

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