\(3+\sqrt{14}\) और \(3-\sqrt{14}\) का गुणनफल क्या है?
What is the product of \(3+\sqrt{14}\) and \(3-\sqrt{14}\)?
Explanation opens after your attempt
B. ( -5 )
Concept
Conjugate multiplication gives (32-\(\sqrt{14}\)2=9-14=-5). Use the difference of squares rule.
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.
Exam Tip
संयुग्मी गुणन से (32-\(\sqrt{14}\)2=9-14=-5) मिलता है। अंतर के वर्ग का नियम लगाएँ।
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