यदि \(x=\sqrt{2}-1\) तो (x\(\sqrt{2}+1\)) का मान क्या है?
If \(x=\sqrt{2}-1\) then what is (x\(\sqrt{2}+1\))?
Explanation opens after your attempt
A. 1
Concept
Use ((a-b)(a+b)=a-2-b-2). The result is (2-1=1).
Why this answer is correct
The correct answer is A. 1. Use ((a-b)(a+b)=a-2-b-2). The result is (2-1=1).
Exam Tip
((a-b)(a+b)=a-2-b-2)। उत्तर (2-1=1) है।
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