यदि \(a=\sqrt{13}+\sqrt{6}\) और \(b=\sqrt{13}-\sqrt{6}\), तो (ab) का मान क्या है?

If \(a=\sqrt{13}+\sqrt{6}\) and \(b=\sqrt{13}-\sqrt{6}\), what is the value of (ab)?

Explanation opens after your attempt
Correct Answer

A. (7)

Step 1

Concept

(ab=13-6=7). In exams conjugate multiplication removes radicals.

Step 2

Why this answer is correct

The correct answer is A. (7). (ab=13-6=7). In exams conjugate multiplication removes radicals.

Step 3

Exam Tip

(ab=13-6=7) है। परीक्षा में संयुग्मी गुणन से मूल हट जाते हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a=\sqrt{13}+\sqrt{6}\) और \(b=\sqrt{13}-\sqrt{6}\), तो (ab) का मान क्या है? / If \(a=\sqrt{13}+\sqrt{6}\) and \(b=\sqrt{13}-\sqrt{6}\), what is the value of (ab)?

Correct Answer: A. (7). Explanation: (ab=13-6=7) है। परीक्षा में संयुग्मी गुणन से मूल हट जाते हैं। / (ab=13-6=7). In exams conjugate multiplication removes radicals.

Which concept should I revise for this Mathematics MCQ?

(ab=13-6=7). In exams conjugate multiplication removes radicals.

What exam hint can help solve this Mathematics question?

(ab=13-6=7) है। परीक्षा में संयुग्मी गुणन से मूल हट जाते हैं।