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    The GCD and LCM of two polynomials are x + 1 and x4 - 1 respectively. If one of the polynomials is x2​ + 1, find the other one.
    Question

    The GCD and LCM of two polynomials are x + 1 and x4 - 1 respectively. If one of the polynomials is x2​ + 1, find the other one.

    A.

    x3​ - 1

    B.

    (x + 1)(x2​ - 1)

    C.

    x2+ x - 1

    D.

    x2 - x + 1

    Correct option is B

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