यदि \(A\cup B=A\) और \(A\cap B=B\), तो कौन सा कथन सही है?
If \(A\cup B=A\) and \(A\cap B=B\), which statement is correct?
Explanation opens after your attempt
Correct Answer
A. \(B\subseteq A\)
Concept
Both conditions mean every element of (B) lies in (A). Therefore \(B\subseteq A\).
Why this answer is correct
The correct answer is A. \(B\subseteq A\). Both conditions mean every element of (B) lies in (A). Therefore \(B\subseteq A\).
Exam Tip
इन दोनों शर्तों का अर्थ है कि (B) का हर तत्व (A) में है। इसलिए \(B\subseteq A\) है।
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