संख्या रेखा पर ( \(-\infty,-9\)\cup[-9,\infty) ) किसके बराबर है?
What is ( \(-\infty,-9\)\cup[-9,\infty) ) equal to on the number line?
Explanation opens after your attempt
C. \( \mathbb{R} \)
Concept
The first part gives values less than ( -9 ), and the second gives ( -9 ) and larger values. Together they form the whole number line.
Why this answer is correct
The correct answer is C. \( \mathbb{R} \). The first part gives values less than ( -9 ), and the second gives ( -9 ) and larger values. Together they form the whole number line.
Exam Tip
पहला भाग ( -9 ) से छोटे मान और दूसरा ( -9 ) सहित बड़े मान देता है। दोनों मिलकर पूरी संख्या रेखा बनाते हैं।
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