कौन सा विकल्प \(x\le -15\) का सही अंतराल रूप है?
Which option is the correct interval form of \(x\le -15\)?
Explanation opens after your attempt
A. (\(-\infty,-15]\)
Concept
In \(x\le -15\), (-15) is included and smaller numbers are taken. Infinity always uses a parenthesis.
Why this answer is correct
The correct answer is A. (\(-\infty,-15]\). In \(x\le -15\), (-15) is included and smaller numbers are taken. Infinity always uses a parenthesis.
Exam Tip
\(x\le -15\) में (-15) शामिल है और उससे छोटी संख्याएँ ली जाती हैं। अनंत के साथ हमेशा गोल कोष्ठक आता है।
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