For all \( n \in N, 3.5^{2 n+1}+2^{3 n+1} \) is divisible by....
For all \( n \in N, 3.5^{2 n+1}+2^{3 n+1} \) is divisible by
(1) 19
(2) 17
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(3) 23
(4) 25
W
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