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The zeroes of the polynomial p(x) = 25x2 – 49 are ______. - Mathematics

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Question

The zeroes of the polynomial p(x) = 25x2 – 49 are ______.

Options

  • `49/25, 49/25`

  • `-49/25, 49/25`

  • `7/5, -7/5`

  • `7/5, 7/5`

MCQ
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Solution

The zeroes of the polynomial p(x) = 25x2 – 49 are `underlinebb(7/5, -7/5)`.

Explanation:

p(x) = 25x2 = 49

= (5x – 7)(5x + 7)

∴ x = `7/5` and `(-7)/5`

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2022-2023 (March) Basic - Outside Delhi Set 2

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