Let `p` be a prime number other than `2` or `5`. One would like w express the vulgar fraction `1//p` in the form of a

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Q 1618091809.     Let `p` be a prime number other than `2` or `5`. One
would like w express the vulgar fraction `1//p` in the
form of a recurring decimal. Then, the decimal
will be
CDS 2015 Paper-1
A

a pure recurring decimal anci its periocd will be necessarily `(p-1)`

B

a mixed recurrig decimal and its period will be necessarily `(p-1)`

C

a pure recurring decimal and its period will be some factor of `(p-1)`

D

a mixed recurring decimal and its period will be some factor of `(p-1)`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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