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Modular Arithmetic
medium
0:00.0
Determine the number of solutions for
x
2
≡
2
(
m
o
d
7
)
x^2 \equiv 2 \pmod{7}
x
2
≡
2
(
mod
7
)
.
A
0
0
0
B
3
3
3
C
1
1
1
D
2
2
2
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