हिंदी

If α and β are the zeros of x^2 + 5x + 8 then the value of (α + β) is ______.

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प्रश्न

If α and β are the zeros of x2 + 5x + 8 then the value of (α + β) is ______.

विकल्प

  • 5

  • –5

  • 8

  • –8

MCQ
रिक्त स्थान भरें
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उत्तर

If α and β are the zeros of x2 + 5x + 8 then the value of (α + β) is –5.

Explanation:

For ax2 + bx + c, we have `α + β = (-b)/a`.

For x2 + 5x + 8, we have α + β = –5.

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अध्याय 2: Polynomials - MULTIPLE-CHOICE QUESTIONS (MCQ) [पृष्ठ ७०]

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आर.एस. अग्रवाल Mathematics [English] Class 10
अध्याय 2 Polynomials
MULTIPLE-CHOICE QUESTIONS (MCQ) | Q 12. | पृष्ठ ७०
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