#1)What are you supposed to do here?
#2) Factor . You should get and you get some nice cancellation.
#3)Multiply the whole thing by (st)/(st)
And I'm terrible at this stuff..If someone wouldn't mind walking me through these, I'd be super grateful.
With this one, I know i need to add up the nominator and denominator by finding a common denominator for each..then to take:
But then I'm stuck.
Please and thanks!!