Q83. If the constant term in the expansion of $\left( 1 + 2 x - 3 x ^ { 3 } \right) \left( \frac { 3 } { 2 } x ^ { 2 } - \frac { 1 } { 3 x } \right) ^ { 9 }$ is p , then 108 p is equal to
Q83. If the constant term in the expansion of $\left( 1 + 2 x - 3 x ^ { 3 } \right) \left( \frac { 3 } { 2 } x ^ { 2 } - \frac { 1 } { 3 x } \right) ^ { 9 }$ is p , then 108 p is equal to\\