किस विकल्प में संख्या रेखा पर ( [ -3,0 )\cap( -1,4 ] ) का सही परिणाम है?
Which option gives the correct number-line result of ( [ -3,0 )\cap( -1,4 ] )?
Explanation opens after your attempt
A. ( (-1,0) )
Concept
The common part is ( -1<x<0 ) because ( -1 ) is open in the second interval and ( 0 ) is open in the first. In intersection, keep the common limits precisely.
Why this answer is correct
The correct answer is A. ( (-1,0) ). The common part is ( -1<x<0 ) because ( -1 ) is open in the second interval and ( 0 ) is open in the first. In intersection, keep the common limits precisely.
Exam Tip
साझा भाग ( -1<x<0 ) है क्योंकि ( -1 ) दूसरे अंतराल में खुला है और ( 0 ) पहले में खुला है। प्रतिच्छेद में कमजोर नहीं, साझा सीमा लें।
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