studying the way to go jus go thro u exercise book chapter by chapter and write down each formulee and examples need then go thro exam papers refering to ur book if ur stuck... slowly u will be able to get thro most of the paper without refering to ur Formula book
lol i never passsed and exam in year 11 for maths and failed two other subjects... all i can say is set urself a timetable 2hrs a night and grow on it from there.. ur marks will increase dramatically be4 ur eyes...