hi reshma..........there is not a specific short method.........i mean it depends on de ques...........partial fraction is a general one............. a bit long........but u ll get de ans 4 sure..........now check mr. bubun soln........his method is a short one.......... so v ve 2 apply our brain......how can a ques b short...........n dis can b easy.....by practice............hope u got it wot i wanna say :)