Tell me, is in this context the square root of minus one?
If so, then remember that and and of course .
Then you could multiply it out, but I can't see this making it simpler ...
I've been asked to simplify this expression:
All I can come up with is:
I'm having a hard time convincing myself that this is simpler. Does anyone have any input on simplification? I'm looking for how I can confidently know that an expression is in its simplest form. Any input?
Thanks a lot for your help... I feel like this right now...