Class 9th math Review Exercise 3 solution english PCTB

Question 3: Let \(U=\{1,2,3,4,5,6,7,8,9,10\}\), \(A=\{2,4,6,8,10\}\), \(B=\{1,2,3,4,5\}\) and \(C=\{1,3,5,7,9\}\)
List the members of each of the following sets:

\((viii)\) \(\quad\) \({U}’ \)

Solution:

\({U}’ =U-U\)

\(\ \ \ \ =\{1,2,3,4,5,6,7,8,9,10\}-\{1,2,3,4,5,6,7,8,9,10\}\)

\(\ \ \ \ =\{\}\) or \(\phi\)

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