यदि \(x=\sqrt{10}+\sqrt{5}\) है, तो \(x^2\) का सही मान क्या है?
If \(x=\sqrt{10}+\sqrt{5}\), what is the correct value of \(x^2\)?
Explanation opens after your attempt
A. \(15+10\sqrt{2}\)
Concept
\(x^2=10+5+2\sqrt{50}=15+10\sqrt{2}\). Simplify the middle term fully.
Why this answer is correct
The correct answer is A. \(15+10\sqrt{2}\). \(x^2=10+5+2\sqrt{50}=15+10\sqrt{2}\). Simplify the middle term fully.
Exam Tip
\(x^2=10+5+2\sqrt{50}=15+10\sqrt{2}\) है। मध्य पद को पूरी तरह सरल करें।
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