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Discussion :: Sets, Relations and Functions

  1.  If the binary operation * is deined on a set of ordered pairs of real numbers as (a, b) * (c, d) = (ad + bc, bd) and is associative, then (1, 2) * (3, 5) * (3, 4) equals

    2. A.

    (7,11)
    B.

    (23,11)
    C.

    (32,40)
    D.

    (74,40)

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    Answer : Option D

    Explanation :

    (74,40)

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