\(25x^2-1=0\) का सही गुणनखंड रूप कौनसा है?
What is the correct factorised form of \(25x^2-1=0\)?
Explanation opens after your attempt
A. ((5x-1)(5x+1)=0)
Concept
(25x-2-1=(5x)2-12), so ((5x-1)(5x+1)=0) is correct. In exams, quickly identify the difference of squares.
Why this answer is correct
The correct answer is A. ((5x-1)(5x+1)=0). (25x-2-1=(5x)2-12), so ((5x-1)(5x+1)=0) is correct. In exams, quickly identify the difference of squares.
Exam Tip
(25x-2-1=(5x)2-12), इसलिए ((5x-1)(5x+1)=0) सही है। परीक्षा में वर्गों के अंतर को जल्दी पहचानें।
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