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Let $S_p$ and $S_q$ be the coefficient of $x6p$ and $x^q$ respectively in $(1+x)^{p+q}$ then

$\begin{array}{1 1}(A)\;S_p\neq S_q\\(B)\;S_p=\large\frac{q}{p}\normalsize S_q\\(C)\;S_p=\large\frac{p}{q}\normalsize S_q\\(D)\;S_p=S_q\end{array}$