please tell me the area i need to concentrate more in maths for jee 2012 as to solve maths question perfectly

Mathematics:

Conic sections– Knowing theformulaswell will help you. Theparametric formis one of the most useful tool in solving problems of conics
Quadratic Equations– knowing thefundamental propertiesregarding nature of roots /intervals in which roots liewill help you
Progression and series– very scoring and simple chapter. Knowing thedefinitionsand practising ample of problems would be useful
Differentiation– Keeping theformulasin mind will help.Geometric interpretation of derivativeis an important concept. A number of simple questions are asked which can be done with ease
Vector Algebra– Knowing how tovisualize the situationwill be useful. The concepts of vector and scalar triple products are most scoring
Chemistry:

sher mohammad
askiitians faculty