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Maths-

General

Easy

Question

Let $A equals open curly brackets 1 comma blank 2 comma blank 3 close curly brackets comma B equals open curly brackets 3 comma blank 4 close curly brackets comma C equals left curly bracket 4 comma blank 5 comma blank 6 right curly bracket$ . Then, $A union left parenthesis B intersection C right parenthesis$ is

${3}$
${1, 2, 3, 4}$
${1, 2, 5, 6}$
${1, 2, 3, 4, 5, 6}$

The correct answer is: $left curly bracket 1 comma blank 2 comma blank 5 comma blank 6 right curly bracket$

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Set builder form of the relation
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