\(x^2+14x+10=0\) के मूल क्या हैं?
What are the roots of \(x^2+14x+10=0\)?
Explanation opens after your attempt
A. \(x=-7\pm\sqrt{39}\)
Concept
Since ((x+7)2=39), \(x=-7\pm\sqrt{39}\). In exams, write both values using \(\pm\).
Why this answer is correct
The correct answer is A. \(x=-7\pm\sqrt{39}\). Since ((x+7)2=39), \(x=-7\pm\sqrt{39}\). In exams, write both values using \(\pm\).
Exam Tip
((x+7)2=39), इसलिए \(x=-7\pm\sqrt{39}\) है। परीक्षा में \(\pm\) के दोनों मान लिखें।
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