proving

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

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

Original post by burymathstutor

hint:

10^3-1=999

please elaborate

please elaborate

Too soon. Give it more time. :smile:

please elaborate

OK.

\frac{2}{3}(10^n-1)=666..666

where the number on the right has n digits.

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