I’m sure it’s common to see such mistakes these days. “U” should be “You”. This is the case of too much SMS.
These are just some, there are quite a number of “u” in the following paragraphs.
Serious, very serious issue. Many people can’t spell properly and influence too much by such kind of shorthand nowadays that is not supposed to be used in formal or official matter. At the same time it’s quite amusing also especially when you found it from the handouts given to you by your lecturer but it’s not the lecturer who typed it, some other people typed this, the typist must have SMS a lot! *LOL*
P/S: Spotted one more but I didn’t highlight and correct ;p