यदि \(x^2-4x+4=0\), तो मूलों की प्रकृति क्या है?
If \(x^2-4x+4=0\), what is the nature of the roots?
Explanation opens after your attempt
Correct Answer
B. दो समान परिमेयTwo equal rational roots
Concept
The discriminant is (16-16=0), so the roots are equal and (x=2) is rational. In exams (D=0) means equal roots.
Why this answer is correct
The correct answer is B. दो समान परिमेय / Two equal rational roots. The discriminant is (16-16=0), so the roots are equal and (x=2) is rational. In exams (D=0) means equal roots.
Exam Tip
विविक्तकर (16-16=0), इसलिए मूल समान हैं और (x=2) परिमेय है। परीक्षा में (D=0) का अर्थ समान मूल होता है।
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