कौन-सा interval (x<0) या \(2\le x<5\) को संख्या रेखा पर सही दिखाता है?
Which interval correctly shows (x<0) or \(2\le x<5\) on the number line?
Explanation opens after your attempt
A. (\(-\infty,0\)\cup[2,5))
Concept
In (x<0), (0) is open; in \(2\le x<5\), (2) is closed and (5) is open. In exams, convert or into union.
Why this answer is correct
The correct answer is A. (\(-\infty,0\)\cup[2,5)). In (x<0), (0) is open; in \(2\le x<5\), (2) is closed and (5) is open. In exams, convert or into union.
Exam Tip
(x<0) में (0) खुला है और \(2\le x<5\) में (2) बंद तथा (5) खुला है। परीक्षा में or को union में बदलें।
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