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If 1/7=0. 142857 , write the decimal e...

If `1/7=0. 142857 ` , write the decimal expression of `2/7,3/7,4/7,5/7a n d6/7` without actually doing the long division.

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The correct Answer is:
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Given that `(1)/(7)=0.bar(142857)`
`:." "(2)/(7)=2xx(1)/(7)=2xx0.bar(142857)=0.bar(285714)`
`:." "(3)/(7)=3xx(1)/(7)=3xx0.bar(142857)=0.bar(428571)`
`:." "(4)/(7)=4xx(1)/(7)=4xx0.bar(142857)=0.bar(571428)`
`:." "(5)/(7)=5xx(1)/(7)=5xx0.bar(142857)=0.bar(714285)`
`:." "(6)/(7)=6xx(1)/(7)=6xx0.bar(142857)=0.bar(857142)`
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