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If α, β are the zeros of the polynomial x^2 + 6x + 2 then (1/α + 1/β) = ?

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Question

If α, β are the zeros of the polynomial x2 + 6x + 2 then `(1/α + 1/β) = ?`

Options

  • 3

  • –3

  • 12

  • –12

MCQ
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Solution

–3

Explanation:

α + β = –6 and αβ = 2.

∴ `(1/α + 1/β) = ((α + β)/(αβ))`

= `(-6)/2`

= –3

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Chapter 2: Polynomials - MULTIPLE-CHOICE QUESTIONS (MCQ) [Page 71]

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R.S. Aggarwal Mathematics [English] Class 10
Chapter 2 Polynomials
MULTIPLE-CHOICE QUESTIONS (MCQ) | Q 19. | Page 71
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