Igor, the owner of this site, spent a good deal of time and effort preparing the instructions that end up right in your face every time you ask a question. It just seems to me that you would have the courtesy to give some indication that you have actually read those instructions. In particular, it would be nice if you had actually paid attention to the instructions that read:
* If you can, show what you have tried. Tutors like students who try.
* Please try to ask your question clearly and fully so that it MAKES SENSE. We are not mind readers. We do not have your textbook in front of us. All we know is what you wrote.
As it stands, all I can see is a complex number fraction. I highly suspect that you want some help rationalizing the denominator. But, since you couldn't be bothered to actually ask anything, I can't be bothered to actually answer anything.
John
My calculator said it, I believe it, that settles it