Buy both, but more on exercise books for your subjects. You'll probably need both anyway - there may be some things that you might not want to write in your exercise books, e.g. notes on assignment or whatever.
Merry Christmas :)
Do core module questions for chemistry and physics
Start and finish my draft for general creative writing piece
Do past papers for 3u and 4u
revise revise read textbooks
I got beta=-2 as well, and for alpha I found it to be [-7-+sqrt(13)]/6.
Why is it so messy? :( are you sure you typed up the question correctly? is the answer neat?