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The figure above is a Venn diagram showing the elements arranged within sets A,B,C,ε. Use the...

Mathematics
JAMB 2018

The figure above is a Venn diagram showing the elements arranged within sets A,B,C,ε.
Use the figure to answer this question

What is n(A U B)1 ?

  • A. 2
  • B. 3
  • C. 4
  • D. 7
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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Correct Answer: Option C
Explanation

A = (p, q, r, t, u, v)

  B = (r, s, t, u)

  A U B = Elements in both A and B = (p, q, r, s, t, u, v)

  (A U B)1 = elements in the universal set E but not in (A U B)= (w, x, y, z)

  n(A U B) 1 = number of the elements in (A U B)1 = 4

There is an explanation video available below.


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Explanation Video

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