then, aft staring at my hw for a long long time and trying to find out the nx step to every qn, i finally gave up. freaking A maths!! pls la. i dun even noe how to continue, all i can rite ish only the qn, then the rest i can only anyhow make until frm a neat equation to a complicated one, and the more i look at it, the more strange it became. wth's all tis??