2 The cubic equation \(x ^ { 3 } - 6 x ^ { 2 } + k x + 10 = 0\) has roots \(p - q , p\) and \(p + q\), where \(q\) is positive.
- By considering the sum of the roots, find \(p\).
- Hence, by considering the product of the roots, find \(q\).
- Find the value of \(k\).