MathematicsThe number which have its own reciprocals is

The number which have its own reciprocals is

  1. A

    0

  2. B

    1

  3. C

    -1

  4. D

    2

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    Solution:

    A number x is equal to its own reciprocal if:

    x = 1/x

    To solve this, multiply both sides by x:

    x^2 = 1

    Then, solve for x:

    x = ±1

    Conclusion:

    The numbers which have their own reciprocals are 1 and -1.

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