Find the units digit of \( (12)^{3^{x}}+(18)^{3^{x}}(x \in N) \). (a) 2 (b) 8 (c) 0

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Find the units digit of \( (12)^{3^{x}}+(18)^{3^{x}}(x \in N) \).
(a) 2
(b) 8
(c) 0
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