यदि \(U=\{सूर्य,चंद्र,तारा\}\) और \(A=\{सूर्य\}\) है तो (A') कौन सा है?
If \(U=\{sun,moon,star\}\) and \(A=\{sun\}\), which is (A')?
Explanation opens after your attempt
B. ({चंद्र,तारा})({moon,star})
Concept
A complement contains the elements left after removing (A) from (U). Here moon and star remain.
Why this answer is correct
The correct answer is B. ({चंद्र,तारा}) / ({moon,star}). A complement contains the elements left after removing (A) from (U). Here moon and star remain.
Exam Tip
पूरक में (U) से (A) के तत्व हटाकर बचे तत्व आते हैं। यहां चंद्र और तारा बचते हैं।
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