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If (b^2=4ac) in a quadratic equation, what will be the nature of its roots?यदि किसी द्विघात समीकरण में (b^2=4ac), तो उसके मूलों की प्रकृति क्या होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Two equal real rootsदो बराबर वास्तविक मूल
When (b^2=4ac), (D=b^2-4ac=0), so the roots are equal and real. In exams, treat this as the discriminant zero condition.(b^2=4ac) होने पर (D=b^2-4ac=0), इसलिए मूल बराबर वास्तविक होते हैं। परीक्षा में इसे discriminant zero condition मानें।
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