Sorry, very simple question i'm stuck on.
Example in my book shows:
So I just substituted to get
Which is way off the answer in my book of
I bet it's a typo in your book.
So I just substituted to get: . . . . . Right!
Which is way off the answer in my book: .
. . There is no way that a cube root could appear in that problem!
Look at your answer and theirs: .
It looks like "The Case of the Misplaced 3" (coming to a theater near you).