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Solution set of x3 (mod 7), pZ, is given by

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By Expert Faculty of Sri Chaitanya
a
3
b
7p-3: p∈Z
c
7p+3: p∈Z
d
None of these
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detailed solution

Correct option is C

x=3(mod 7)⇒x-3=7p, (p∈z)⇒x=7p+3, p∈z i.e., 7p+3: p∈z.


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