2. \( 4^{2 n+1}+3^{3 n+1} \) is divisible by for all \( n \in N \) ...

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2. \( 4^{2 n+1}+3^{3 n+1} \) is divisible by for all \( n \in N \) :
(1) 11
(2) 19
W.
(3) 13
(4) 17
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