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In which quadratic expression is the constant term equal to the sum of the coefficients of its other two terms?किस द्विघात व्यंजक में स्थिर पद उसके दोनों पदों के गुणांकों के योग के बराबर है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 3x² + 5x + 83x² + 5x + 8
In 3x² + 5x + 8, the coefficients of x² and x are 3 and 5. Their sum is 3 + 5 = 8, which equals the constant term. In option B, 2 + 7 = 9, not 10. Exam tip: include signs while adding coefficients.व्यंजक 3x² + 5x + 8 में x² और x के गुणांक 3 तथा 5 हैं। उनका योग 3 + 5 = 8 है, जो स्थिर पद है। विकल्प B में 2 + 7 = 9, 10 नहीं। परीक्षा में गुणांकों के चिन्ह सहित जोड़ें।
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