( \(3+\sqrt{10}\)\(3-\sqrt{10}\) ) का मान क्या है?

What is the value of ( \(3+\sqrt{10}\)\(3-\sqrt{10}\) )?

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

B. ( -1 )

Step 1

Concept

Conjugate multiplication gives (32-\(\sqrt{10}\)2=9-10=-1). The middle terms cancel.

Step 2

Why this answer is correct

The correct answer is B. ( -1 ). Conjugate multiplication gives (32-\(\sqrt{10}\)2=9-10=-1). The middle terms cancel.

Step 3

Exam Tip

संयुग्मी गुणन से (32-\(\sqrt{10}\)2=9-10=-1) मिलता है। मध्य पद कट जाते हैं।

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Mathematics Answer, Explanation and Revision Hints

( \(3+\sqrt{10}\)\(3-\sqrt{10}\) ) का मान क्या है? / What is the value of ( \(3+\sqrt{10}\)\(3-\sqrt{10}\) )?

Correct Answer: B. ( -1 ). Explanation: संयुग्मी गुणन से (32-\(\sqrt{10}\)2=9-10=-1) मिलता है। मध्य पद कट जाते हैं। / Conjugate multiplication gives (32-\(\sqrt{10}\)2=9-10=-1). The middle terms cancel.

Which concept should I revise for this Mathematics MCQ?

Conjugate multiplication gives (32-\(\sqrt{10}\)2=9-10=-1). The middle terms cancel.

What exam hint can help solve this Mathematics question?

संयुग्मी गुणन से (32-\(\sqrt{10}\)2=9-10=-1) मिलता है। मध्य पद कट जाते हैं।