संख्या रेखा पर ( \( -\infty,-5]\cup[-5,\infty\) ) किसके बराबर है?
What is ( \( -\infty,-5]\cup[-5,\infty\) ) equal to on the number line?
Explanation opens after your attempt
A. \( \mathbb{R} \)
Concept
Together the two intervals cover the entire number line including ( -5 ). A union includes all shaded parts.
Why this answer is correct
The correct answer is A. \( \mathbb{R} \). Together the two intervals cover the entire number line including ( -5 ). A union includes all shaded parts.
Exam Tip
दोनों अंतराल मिलकर ( -5 ) सहित पूरी संख्या रेखा को ढकते हैं। संघ में सभी छायांकित भाग शामिल होते हैं।
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