( \(5-\sqrt{6}\)2 ) का सरल रूप क्या है?
What is the simplified form of ( \(5-\sqrt{6}\)2 )?
Explanation opens after your attempt
A. \(31-10\sqrt{6}\)
Concept
Using ( (a-b)2=a-2-2ab+b-2 ), we get \(25-10\sqrt{6}+6=31-10\sqrt{6}\). Pay special attention to signs.
Why this answer is correct
The correct answer is A. \(31-10\sqrt{6}\). Using ( (a-b)2=a-2-2ab+b-2 ), we get \(25-10\sqrt{6}+6=31-10\sqrt{6}\). Pay special attention to signs.
Exam Tip
( (a-b)2=a-2-2ab+b-2 ) से \(25-10\sqrt{6}+6=31-10\sqrt{6}\) मिलता है। संकेतों पर विशेष ध्यान दें।
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