यदि (U=[-3,7]) और (A=(-1,4)) है, तो \(A^c\) क्या होगा?
If (U=[-3,7]) and (A=(-1,4)), what is \(A^c\)?
Explanation opens after your attempt
A. \([-3,-1]\cup[4,7]\)
Concept
(-1) and (4) are not included in (A), so they come in the complement. Pay special attention to open and closed endpoints in intervals.
Why this answer is correct
The correct answer is A. \([-3,-1]\cup[4,7]\). (-1) and (4) are not included in (A), so they come in the complement. Pay special attention to open and closed endpoints in intervals.
Exam Tip
(-1) और (4) दोनों (A) में शामिल नहीं हैं, इसलिए वे पूरक में आएंगे। अंतरालों में खुले और बंद सिरों पर विशेष ध्यान दें।
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