\(3x^2-6x-2=0\) के मूलों का सही रूप क्या है?
What is the correct form of the roots of \(3x^2-6x-2=0\)?
Explanation opens after your attempt
Correct Answer
A. \(x=1\pm\frac{\sqrt{15}}{3}\)
Concept
The formula gives \(x=\frac{6\pm\sqrt{60}}{6}=1\pm\frac{\sqrt{15}}{3}\). In exams, simplify \(\sqrt{60}=2\sqrt{15}\).
Why this answer is correct
The correct answer is A. \(x=1\pm\frac{\sqrt{15}}{3}\). The formula gives \(x=\frac{6\pm\sqrt{60}}{6}=1\pm\frac{\sqrt{15}}{3}\). In exams, simplify \(\sqrt{60}=2\sqrt{15}\).
Exam Tip
सूत्र से \(x=\frac{6\pm\sqrt{60}}{6}=1\pm\frac{\sqrt{15}}{3}\) मिलता है। परीक्षा में \(\sqrt{60}=2\sqrt{15}\) सरल करें।
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