I’m 25 words or fewer , write x2 +2x - 1 = 0

As soon as hitler took over, he began persecuting jews. what does persecuting mean in this context

Which connotations are associated with the word representative as it is used in this passage?

What is the problem with the following sentence: cameron, who has an extreme and unreasonable suspicion of other people and their motives, suffers from paranoia which is a psychological disorder characterized by delusions of persecution or grandeur, was absolutely sure that someone was following him even though he was absolutely alone and hadn't seen a car for miles and miles.