Find the terms in \(x ^ { 2 }\) and \(x ^ { 3 }\) in the expansion of \(\left( 1 - \frac { 3 } { 2 } x \right) ^ { 6 }\).
Given that there is no term in \(x ^ { 3 }\) in the expansion of \(( k + 2 x ) \left( 1 - \frac { 3 } { 2 } x \right) ^ { 6 }\), find the value of the constant \(k\).