Question

    Find the value of {(3125)(n/5) × 5(2n + 1)}/ {25n × 5(n - 1)}   

    A 125 Correct Answer Incorrect Answer
    B 5 Correct Answer Incorrect Answer
    C 25 Correct Answer Incorrect Answer
    D 225 Correct Answer Incorrect Answer

    Solution

    {(3125)(n/5) × 5(2n + 1)}/ {25n × 5(n - 1)}    = 5(n + 2n + 1) / 5(2n + n - 1) = 5(3n + 1)/5(3n - 1) = 5(3n + 1 - 3n + 1) = 5 = 25       

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