please show how the theme of hypocrisy and pretentious is explored Oedips Rex?

The following link will provide you with an article that deals with the topic of hypocracy.

Laius and Jocasta were pretentious when they believed they could outwit the gods by sending their infant son out to die. Oedipus was equally pretentious when he believed he could escape his fate by leaving his "parents" in Corinth.