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16 September, 05:28

jacinta says that the product of a positive and negative rational number is always irrational. explain her error.

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Answers (2)
  1. 16 September, 06:43
    0
    It is incorrect because 20 + (-2) = 18, which is rational.
  2. 16 September, 07:29
    0
    Answer with explanation:

    She is incorrect with her statement.

    We know that a product of two rational numbers is always a rational number no matter they are positive or negative.

    Whereas the product of a non-zero rational number and a irrational number is always a irrational number.

    The example which contradicts her statement is:

    If we consider a positive rational number as: 3

    and a negative ration number as: - 2

    The there product i. e.

    3 * (-2) = - 6 which is again a rational number.
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