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Find the value(s) of \(p\) for the following pair of equations.
 
(i) \(3x - y - 5 = 0\) and \(6x - 2y - p = 0\), if the lines represented by these equations are parallel.
 
Answer:
 
\(p \neq\)
 
(ii) \(-x + py = 1\) and \(px - y = 1\), if the pair of equations has no solution.
 
Answer:
 
\(p \neq\)