Let vec$($v$)$ and vec$($w$)$ be arbitrary vectors.

Select all expressions below that are well$-$defined.

a$).$ dot product of vec$($u$)$ and vec$($v$)+$ vec$($u$)$ X vec$($v$)$

b$.($vec$($u$)+$vec$($v$))$ dot product vec$($w$)$

c$.($vec$($u$)+$ vec $($v$))$X vec$($w$)$

d$.($dot product of vec$($u$)$ and vec$(($v$))$ X vec$($w$)$