\(8+\sqrt{17}\) और \(8-\sqrt{17}\) का गुणनफल क्या है?
What is the product of \(8+\sqrt{17}\) and \(8-\sqrt{17}\)?
Explanation opens after your attempt
B. (47)
Concept
The product is (82-\(\sqrt{17}\)2=64-17=47). Use \(a^2-b^2\) in conjugate multiplication.
Why this answer is correct
The correct answer is B. (47). The product is (82-\(\sqrt{17}\)2=64-17=47). Use \(a^2-b^2\) in conjugate multiplication.
Exam Tip
गुणनफल (82-\(\sqrt{17}\)2=64-17=47) है। संयुग्मी गुणन में \(a^2-b^2\) लगाएं।
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