यदि \(U={1,2,\ldots,18}\), \(A=\{2,4,6,8,10,12,14,16,18\}\), तो ((A')') क्या है?
If \(U={1,2,\ldots,18}\), \(A=\{2,4,6,8,10,12,14,16,18\}\), what is ((A')')?
Explanation opens after your attempt
Correct Answer
A. (A)
Concept
The double complement gives the original set, so ((A')'=A). This identity is useful in many complement questions.
Why this answer is correct
The correct answer is A. (A). The double complement gives the original set, so ((A')'=A). This identity is useful in many complement questions.
Exam Tip
दोहरा पूरक मूल समुच्चय देता है, इसलिए ((A')'=A)। यह पहचान लगभग हर पूरक प्रश्न में काम आती है।
Login to save your score, XP, coins and progress.