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in Binomial Theorem by (25.2k points)
The number of real negative terms in the binomial expansion of `(1+i x)^(4n-2),n in N ,x >0` is `n` b. `n+1` c. `n-1` d. `2n`
A. n = 2r is a positive integral mulitple of 3
B. n+1
C. n-1
D. 2n

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