मराठी

The zeros of the polynomial 7x^2 – (11x)/3 – 2/3 are ______.

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प्रश्न

The zeros of the polynomial `7x^2 - (11x)/3 - 2/3` are ______.

पर्याय

  • `2/3, (-1)/7`

  • `2/7, (-1)/3`

  • `(-2)/3, (1)/7`

  • none of these

MCQ
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उत्तर

The zeros of the polynomial `7x^2 - (11x)/3 - 2/3` are `underlinebb(2/3, (-1)/7)`.

Explanation:

`7x^2 - (11x)/3 - 2/3 = (21x^2 - 11x - 2)/3`.

Now, 21x2 – 11x – 2 = 21x2 – 14x + 3x – 2

= 7x(3x – 2) + (3x – 2)

= (3x – 2)(7x + 1)

∴ The zeros are `2/3` and `(-1)/7`.

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

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आर. एस. अग्रवाल Mathematics [English] Class 10
पाठ 2 Polynomials
MULTIPLE-CHOICE QUESTIONS (MCQ) | Q 7. | पृष्ठ ७०
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