कौन सा अंतराल \(x\ge 4\) को सही दर्शाता है?
Which interval correctly represents \(x\ge 4\)?
Explanation opens after your attempt
Correct Answer
B. \([4,\infty\))
Concept
In \(x\ge 4\), (4) is included, so the left bracket is closed. In exams infinity always uses an open bracket.
Why this answer is correct
The correct answer is B. \([4,\infty\)). In \(x\ge 4\), (4) is included, so the left bracket is closed. In exams infinity always uses an open bracket.
Exam Tip
\(x\ge 4\) में (4) शामिल है, इसलिए बायाँ ब्रैकेट बंद होगा। परीक्षा में \(\infty\) के साथ हमेशा खुला ब्रैकेट आता है।
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