यदि \(A=\{1,2\}\) है, तो \({1}\subseteq \mathcal{P}(A)\) कथन के बारे में क्या सही है?
If \(A=\{1,2\}\), what is true about the statement \({1}\subseteq \mathcal{P}(A)\)?
Explanation opens after your attempt
B. असत्य क्योंकि \(1\notin \mathcal{P}(A)\)False because \(1\notin \mathcal{P}(A)\)
Concept
\({1}\subseteq \mathcal{P}(A)\) means \(1\in\mathcal{P}(A)\), which is false. In exams, read the meanings of \(\in\) and \(\subseteq\) carefully.
Why this answer is correct
The correct answer is B. असत्य क्योंकि \(1\notin \mathcal{P}(A)\) / False because \(1\notin \mathcal{P}(A)\). \({1}\subseteq \mathcal{P}(A)\) means \(1\in\mathcal{P}(A)\), which is false. In exams, read the meanings of \(\in\) and \(\subseteq\) carefully.
Exam Tip
\({1}\subseteq \mathcal{P}(A)\) का अर्थ है \(1\in\mathcal{P}(A)\), जो गलत है। परीक्षा में \(\in\) और \(\subseteq\) का अर्थ ध्यान से पढ़ें।
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