( \(7-\sqrt{3}\)2 ) का सरल रूप क्या है?
What is the simplified form of ( \(7-\sqrt{3}\)2 )?
Explanation opens after your attempt
A. \(52-14\sqrt{3}\)
Concept
Using ( (a-b)2=a-2-2ab+b-2 ), we get \(49-14\sqrt{3}+3=52-14\sqrt{3}\). Watch the signs carefully.
Why this answer is correct
The correct answer is A. \(52-14\sqrt{3}\). Using ( (a-b)2=a-2-2ab+b-2 ), we get \(49-14\sqrt{3}+3=52-14\sqrt{3}\). Watch the signs carefully.
Exam Tip
( (a-b)2=a-2-2ab+b-2 ) से \(49-14\sqrt{3}+3=52-14\sqrt{3}\) मिलता है। संकेतों पर ध्यान दें।
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