संख्या रेखा पर \(x\le -1\) और (x>-1) का union क्या होगा?
What is the union of \(x\le -1\) and (x>-1) on the number line?
Explanation opens after your attempt
Correct Answer
C. (\(-\infty,\infty\))
Concept
Together, the two parts cover every real number. In exams, the union of complementary rays gives the whole number line.
Why this answer is correct
The correct answer is C. (\(-\infty,\infty\)). Together, the two parts cover every real number. In exams, the union of complementary rays gives the whole number line.
Exam Tip
दोनों भाग मिलकर हर वास्तविक संख्या को ढक लेते हैं। परीक्षा में पूरक किरणों का union पूरी संख्या रेखा देता है।
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