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    Question

    Find the value of 6 + 66 + 666 + 6666

    +hellip;hellip;hellip;hellip;.. + n terms. 1. `(2)/(3) ((10 xx (10^(n)- 1))/9 - n)` 2. `(2)/(3) ((10 xx (10^(n)- 1))/9 )` ` ` 3. `(2)/(3) ((10 xx (10^(n) + 1))/9 )` ` ` 4. `(2)/(3) ((10 xx (10^(n)- 1))/9 + n )`
    A 1 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 3 Correct Answer Incorrect Answer
    D 4 Correct Answer Incorrect Answer

    Solution

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