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Find the cardinal number of the setWhere N denotes the set of all natural numbers

Find the cardinal number of the setWhere N denotes the set of all natural numbers-example-1
User Engincan Veske
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1 Answer

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\begin{gathered} 3030 \\ x=\mleft\lbrace31,32,33,34\ldots\ldots\ldots\ldots\ldots\ldots\text{.}.55\mright\rbrace \\ x<56 \\ \end{gathered}

And x is divisible by 6 . The natural number of x will be


x=\mleft\lbrace36,42,48,54\mright\rbrace

User KJW
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