\(7x^2+8x+1=0\) में कौनसा गुणनखंड रूप सही है?
Which factorised form is correct for \(7x^2+8x+1=0\)?
Explanation opens after your attempt
A. ((7x+1)(x+1)=0)
Concept
((7x+1)(x+1)=7x-2+8x+1), so it is correct. In exams, verify the factors by expanding.
Why this answer is correct
The correct answer is A. ((7x+1)(x+1)=0). ((7x+1)(x+1)=7x-2+8x+1), so it is correct. In exams, verify the factors by expanding.
Exam Tip
((7x+1)(x+1)=7x-2+8x+1), इसलिए यह सही है। परीक्षा में गुणनखंड को विस्तार करके जांचें।
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