Question

    If * is an operation such that a * b = 3a – 4b. find

    the value of 3*4
    B –7 Correct Answer Incorrect Answer
    C 7 Correct Answer Incorrect Answer
    D –1 Correct Answer Incorrect Answer

    Solution

     a * b = 3a – 4b a=3,b=4 3×3-4×4=9-16 = -7

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