यदि \(A=\{1,2,{1,2}\}\), तो निम्न में से कौन सा कथन सही है?
If \(A=\{1,2,{1,2}\}\), which of the following is correct?
Explanation opens after your attempt
Correct Answer
A. \({1,2}\subset A\) और \({1,2}\in A\) दोनों सत्य हैंBoth \({1,2}\subset A\) and \({1,2}\in A\) are true
Concept
Since (1) and (2) are in (A), \({1,2}\subset A\), and ({1,2}) is also an element. This is a good mixed notation example.
Why this answer is correct
The correct answer is A. \({1,2}\subset A\) और \({1,2}\in A\) दोनों सत्य हैं / Both \({1,2}\subset A\) and \({1,2}\in A\) are true. Since (1) and (2) are in (A), \({1,2}\subset A\), and ({1,2}) is also an element. This is a good mixed notation example.
Exam Tip
(1) और (2) (A) में हैं, इसलिए \({1,2}\subset A\), और ({1,2}) भी एक अवयव है। यह मिश्रित notation का अच्छा उदाहरण है।
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