In how many ways can 5 red and 4 white balls be drawn from a bag containing 10 red and 8 white balls?

Question

\[(a)\;^8C_5 \times ^{10}C_4 \quad (b)\;^{10}C_5 \times ^8C_4 \quad (c)\;^{18}C_9 \quad (d)\;none\;of\;these\]