$\left|\begin{array}{lll}4 C_1 & 4 C_2 & 4 C_3 \ 5 C_1 & 5 C_2 & 5 C_3 \ 6 C_1 & 6 C_2 & 6 C_3\end

Question

$\left|\begin{array}{lll}4 C_1 & 4 C_2 & 4 C_3 \ 5 C_1 & 5 C_2 & 5 C_3 \ 6 C_1 & 6 C_2 & 6 C_3\end{array}ight|=$

Professor PC Thomas Classes · Answer

Applying properties of combination coefficients evaluates to 20.