( (3x-1)2-\(9x^2+1\) ) का सरल रूप क्या है?
What is the simplified form of ( (3x-1)2-\(9x^2+1\) )?
Explanation opens after your attempt
B. (-6x)
Concept
( (3x-1)2=9x-2-6x+1 ). Subtracting \(9x^2+1\) leaves (-6x).
Why this answer is correct
The correct answer is B. (-6x). ( (3x-1)2=9x-2-6x+1 ). Subtracting \(9x^2+1\) leaves (-6x).
Exam Tip
( (3x-1)2=9x-2-6x+1 ) है। \(9x^2+1\) घटाने पर (-6x) बचता है।
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