The number of real negative terms in the binomial expansion of \( (1+i x)^{4 n-2}, n \in N, x0 \...

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The number of real negative terms in the binomial expansion of \( (1+i x)^{4 n-2}, n \in N, x0 \) is
(A) \( n \)
(B) \( n+1 \)
(C) \( n-1 \)
(D) \( 2 n \)
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