Taking set of natural numbers as universal set, write down complements of following sets: { x:x &nbs

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1.Set Theory

easy

Taking the set of natural numbers as the universal set, write down the complements of the following sets:

$\{ x:x$ is a positive multiple of $3\} $

Option A

Option B

Option C

Option D

Solution

$U = N$ set of natural numbers

$\{ x:x$ is a positive multiple of $3{\} ^\prime } = \{ x:x \in N$ and $x$ is not a multiple of $3\} $

Standard 11

Mathematics

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