the coefficient of the middle term in the expansion of \( (1+x)^{2 \pi+2} \) is p and the coeffi...

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the coefficient of the middle term in the expansion of \( (1+x)^{2 \pi+2} \) is p and the coefficients of middle terms in the expansion of \( (1+x)^{2 \pi+1} \)
(A) \( p+q=r \)
(B) \( p+r=q \)
(C) \( p=q+1 \)
(D) \( p+q+i=0 \)
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