Mathematics

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Binary Operations

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  • 1. Multiple-choice
    2 minutes
    1 pt

    If

     aâ‹…b=aba\cdot b=a^b  then  2â‹…5=2\cdot5=  

    10

    25

    32

    52

  • 2. Multiple-choice
    2 minutes
    1 pt

    If  pΦqp\Phi q  denotes  2ab2a^b   then  2Φ3=2\Phi3=  

    12

    16

    32

    64

  • 3. Multiple-choice
    2 minutes
    1 pt

    Given that  a Î¨ ba\ \Psi\ b denotes  a + 2bab\frac{a\ +\ 2b}{ab} , then  (−3) Î¨ 2=\left(-3\right)\ \Psi\ 2=  

     âˆ’16-\frac{1}{6}  

     âˆ’78-\frac{7}{8}  

     16\frac{1}{6}  

     78\frac{7}{8}  

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