well thanks !! but i really want to understand the solution to the question .. my test is tomorrow 
.. cheers
.. cheers-
Prepare by Xtremepapers!
🚀 NEW from the xtremepape.rs team: AI exam prep — 150,000+ worked solutions, and it marks your handwritten working from a photo. Sign in with your forum account & try it free → prepare.xtremepape.rs
XtremePapers
guitar
whitetiger64
oh ok! wt subjct? o levels?
guitar
nah! its AS level..and yours?
whitetiger64
me too AS wt subjects hav u taken?
wt subjects hav u taken?
guitar
Physics, Chem, Maths, Computing, GP and Arts... yours?