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    did any body suggest any alternate method of solving this ....



    i had done some thing but it get lengthy


    please help in solving this prooff
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    (Original post by Mr rocket)
    did any body suggest any alternate method of solving this ....



    i had done some thing but it get lengthy


    please help in solving this prooff
    Hint: 10^3-1=999
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    (Original post by burymathstutor)
    hint: 10^3-1=999
    please elaborate
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    (Original post by Mr rocket)
    please elaborate
    Too soon. Give it more time.
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    (Original post by Mr rocket)
    please elaborate
    OK.

    \frac{2}{3}(10^n-1)=666..666 where the number on the right has n digits.
 
 
 
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