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प्रश्न
Express the following decimal expression into rational number
`2. bar(327)`
उत्तर
Let x = 2.327327327…… ...(1)
(Here period of decimal is 3, multiply equation (1) by 1000)
1000x = 2327.327…… ...(2)
(2) – (1)
1000x – x = 2327.327327… – 2.327327….
999x = 2325
x = `2325/999`
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