यदि \( \sqrt{n} \) (12) और (13) के बीच है तो (n) के लिए सही सीमा कौन सी है?
If \( \sqrt{n} \) lies between (12) and (13), which range is correct for (n)?
Explanation opens after your attempt
A. (144<n<169)
Concept
Squaring both sides gives \(12^2<n<13^2\). Therefore (144<n<169) is correct.
Why this answer is correct
The correct answer is A. (144<n<169). Squaring both sides gives \(12^2<n<13^2\). Therefore (144<n<169) is correct.
Exam Tip
दोनों ओर वर्ग करने पर \(12^2<n<13^2\) मिलेगा। इसलिए (144<n<169) सही है।
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