यदि \( \sqrt{x}=3.9 \), तो संख्या रेखा पर (x) किस बिंदु से जुड़ा है?
If \( \sqrt{x}=3.9 \), with which point is (x) associated on the number line?
Explanation opens after your attempt
A. (15.21)
Concept
\(x=3.9^2=15.21\). Square both sides to remove the square root.
Why this answer is correct
The correct answer is A. (15.21). \(x=3.9^2=15.21\). Square both sides to remove the square root.
Exam Tip
\(x=3.9^2=15.21\) है। वर्गमूल हटाने के लिए दोनों पक्षों का वर्ग करें।
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