यदि \(A=\{1,2\}\), \(B=\{3,4\}\) और \(C=\{5\}\) है, तो (\(A\times B\)\times C) में कौन सा अवयव होगा?
If \(A=\{1,2\}\), \(B=\{3,4\}\), and \(C=\{5\}\), which element belongs to (\(A\times B\)\times C)?
Explanation opens after your attempt
Correct Answer
B. ( ((1,3),5) )
Concept
An element of (\(A\times B\)\times C) has the form (((a,b),c)). Therefore (((1,3),5)) has the correct structure.
Why this answer is correct
The correct answer is B. ( ((1,3),5) ). An element of (\(A\times B\)\times C) has the form (((a,b),c)). Therefore (((1,3),5)) has the correct structure.
Exam Tip
(\(A\times B\)\times C) का अवयव (((a,b),c)) रूप का होता है। इसलिए (((1,3),5)) सही संरचना है।
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