1.Set Theory
easy

જો  $A$ એ કોઈ ગણ હોય તો. . . . 

A

$A \cup A' = \phi $

B

$A \cup A' = U$

C

$A \cap A' = U$

D

એકપણ નહિ. 

Solution

(b) It is obvious.

Standard 11
Mathematics

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