If \[{{N}_{a}}=\{an:n\in N\},\] then \[{{N}_{3}}\cap {{N}_{4}}=\]

1.	If \[{{N}_{a}}=\{an:n\in N\},\] then \[{{N}_{3}}\cap {{N}_{4}}=\]
A.	\[{{N}_{7}}\]
B.	\[{{N}_{12}}\]
C.	\[{{N}_{3}}\]
D.	\[{{N}_{4}}\]
Answer» C. \[{{N}_{3}}\]

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If \[{{N}_{a}}=\{an:n\in N\},\] then \[{{N}_{3}}\cap {{N}_{4}}=\]

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