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What is the discriminant, D, of the equation x² − 3x + 2 = 0?समीकरण x² − 3x + 2 = 0 का विविक्तकर D कितना है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 11
For ax² + bx + c = 0, the discriminant is D = b² − 4ac. Here a = 1, b = −3, and c = 2, so D = (−3)² − 4(1)(2) = 9 − 8 = 1. Therefore, option A is correct.ax² + bx + c = 0 के लिए विविक्तकर D = b² − 4ac होता है। यहाँ a = 1, b = −3 और c = 2 हैं, इसलिए D = (−3)² − 4(1)(2) = 9 − 8 = 1। अतः विकल्प A सही है।
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