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Discussion :: Algebra Problems

  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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