संख्या रेखा पर \(x\le-2\) या (4<x<10) का सही interval notation कौन-सा है?
Which interval notation correctly represents \(x\le-2\) or (4<x<10) on the number line?
Explanation opens after your attempt
B. (\(-\infty,-2]\cup(4,10)\)
Concept
In \(x\le-2\), (-2) is included, and in (4<x<10), both endpoints are excluded. In exams, write or using union.
Why this answer is correct
The correct answer is B. (\(-\infty,-2]\cup(4,10)\). In \(x\le-2\), (-2) is included, and in (4<x<10), both endpoints are excluded. In exams, write or using union.
Exam Tip
\(x\le-2\) में (-2) शामिल है और (4<x<10) में दोनों सिरे बाहर हैं। परीक्षा में "या" को union से लिखें।
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