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 \(x^2\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. \(15+10\sqrt{2}\)

Step 1

Concept

\(x^2=10+5+2\sqrt{50}=15+10\sqrt{2}\). Simplify the middle term fully.

Step 2

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.

Step 3

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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Mathematics Answer, Explanation and Revision Hints

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 \(x^2\)?

Correct Answer: A. \(15+10\sqrt{2}\). Explanation: \(x^2=10+5+2\sqrt{50}=15+10\sqrt{2}\) है। मध्य पद को पूरी तरह सरल करें। / \(x^2=10+5+2\sqrt{50}=15+10\sqrt{2}\). Simplify the middle term fully.

Which concept should I revise for this Mathematics MCQ?

\(x^2=10+5+2\sqrt{50}=15+10\sqrt{2}\). Simplify the middle term fully.

What exam hint can help solve this Mathematics question?

\(x^2=10+5+2\sqrt{50}=15+10\sqrt{2}\) है। मध्य पद को पूरी तरह सरल करें।