In set-builder method the null set is represented by: - Vidyadip

MCQ

In set-builder method the null set is represented by:

A
$\{\}$
B
$\phi$
C
$\{\text{x : x} \not=\text{x}\}$
D
$\{\text{x : x} =\text{x}\}.$

✓

Answer

$\{\text{x : x}\not=\text{x}\}.$

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