Find the first 3 terms, in ascending powers of \(x\), in the expansion of \(( 1 + x ) ^ { 5 }\).
The coefficient of \(x ^ { 2 }\) in the expansion of \(\left( 1 + \left( p x + x ^ { 2 } \right) \right) ^ { 5 }\) is 95 .
Use the answer to part (i) to find the value of the positive constant \(p\).