\(\sqrt{9+\sqrt{20}}\times\sqrt{9+\sqrt{20}}\) का मान क्या है?
What is the value of \(\sqrt{9+\sqrt{20}}\times\sqrt{9+\sqrt{20}}\)?
Explanation opens after your attempt
A. \(9+\sqrt{20}\)
Concept
Multiplying the same square root by itself gives the number inside. Therefore the value is \(9+\sqrt{20}\).
Why this answer is correct
The correct answer is A. \(9+\sqrt{20}\). Multiplying the same square root by itself gives the number inside. Therefore the value is \(9+\sqrt{20}\).
Exam Tip
एक ही वर्गमूल को अपने आप से गुणा करने पर अंदर की संख्या मिलती है। इसलिए मान \(9+\sqrt{20}\) है।
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