\(3+\sqrt{14}\) और \(3-\sqrt{14}\) का गुणनफल क्या है?

What is the product of \(3+\sqrt{14}\) and \(3-\sqrt{14}\)?

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

B. ( -5 )

Step 1

Concept

Conjugate multiplication gives (32-\(\sqrt{14}\)2=9-14=-5). Use the difference of squares rule.

Step 2

Why this answer is correct

The correct answer is B. ( -5 ). Conjugate multiplication gives (32-\(\sqrt{14}\)2=9-14=-5). Use the difference of squares rule.

Step 3

Exam Tip

संयुग्मी गुणन से (32-\(\sqrt{14}\)2=9-14=-5) मिलता है। अंतर के वर्ग का नियम लगाएँ।

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Mathematics Answer, Explanation and Revision Hints

\(3+\sqrt{14}\) और \(3-\sqrt{14}\) का गुणनफल क्या है? / What is the product of \(3+\sqrt{14}\) and \(3-\sqrt{14}\)?

Correct Answer: B. ( -5 ). Explanation: संयुग्मी गुणन से (32-\(\sqrt{14}\)2=9-14=-5) मिलता है। अंतर के वर्ग का नियम लगाएँ। / Conjugate multiplication gives (32-\(\sqrt{14}\)2=9-14=-5). Use the difference of squares rule.

Which concept should I revise for this Mathematics MCQ?

Conjugate multiplication gives (32-\(\sqrt{14}\)2=9-14=-5). Use the difference of squares rule.

What exam hint can help solve this Mathematics question?

संयुग्मी गुणन से (32-\(\sqrt{14}\)2=9-14=-5) मिलता है। अंतर के वर्ग का नियम लगाएँ।