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CBSE Class 9 Answered

how come 0.9999_ _ _ _ in the form of p/q be 1?
Asked by UTKARSH SINGH | 09 Apr, 2011, 12:00: AM
Expert Answer
Sol. Let x = 0.999...                ...(1)
Multiply by 10 both sides,
        10x = 9.999...                ...(2)
Subtracting (1) from (2), we get
         9x = 9
     =>  x = 1. 
Answered by | 08 Apr, 2011, 09:09: PM
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