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1.Set Theory
easy
$U=\{1,2,3,4,5,6,7,8,9\}, A=\{1,2,3,4\}, B=\{2,4,6,8\}$ અને $C=\{3,4,5,6\}$ છે. નીચેના ગણ શોધો : $\left(A^{\prime}\right)^{\prime}$
A
$\{ 1,2,3,4\} $
B
$\{ 1,2,3,4\} $
C
$\{ 1,2,3,4\} $
D
$\{ 1,2,3,4\} $
Solution
$A=\{1,2,3,4\}$
$B=\{2,4,6,8\}$
$C=\{3,4,5,6\}$
$\left(A^{\prime}\right)^{\prime}=A=\{1,2,3,4\}$
Standard 11
Mathematics
