यदि \(A=\{1,4,9,16\}\) और \(B=\{4,16,25\}\) है, तो (A-B) क्या है?
If \(A=\{1,4,9,16\}\) and \(B=\{4,16,25\}\), what is (A-B)?
Explanation opens after your attempt
Correct Answer
A. ( {1,9} )
Concept
The elements (4) and (16) of (A) are also in (B), so they are removed. The remaining elements are ({1,9}).
Why this answer is correct
The correct answer is A. ( {1,9} ). The elements (4) and (16) of (A) are also in (B), so they are removed. The remaining elements are ({1,9}).
Exam Tip
(A) के (4) और (16) (B) में भी हैं, इसलिए हटते हैं। बचे अवयव ({1,9}) हैं।
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