यदि \(x\in\mathbb{N}\) और \(2x+1\le 9\), तो हल समुच्चय कौन सा है?
If \(x\in\mathbb{N}\) and \(2x+1\le 9\), what is the solution set?
Explanation opens after your attempt
Correct Answer
A. ({1,2,3,4})
Concept
From \(2x\le8\), \(x\le4\), and with \(x\in\mathbb{N}\) we get ({1,2,3,4}). In exams always check the domain.
Why this answer is correct
The correct answer is A. ({1,2,3,4}). From \(2x\le8\), \(x\le4\), and with \(x\in\mathbb{N}\) we get ({1,2,3,4}). In exams always check the domain.
Exam Tip
\(2x\le8\) से \(x\le4\), और \(x\in\mathbb{N}\) लेने पर ({1,2,3,4}) मिलता है। परीक्षा में डोमेन अवश्य देखें।
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