SINCERE THANX TO YOU MA'AM!! for the very helpful advice. but i want to tell you that i asked for the explained answer just bcoz earlier i asked a question to which a user replied in just 1 line(telling the method). that could not sort my problem.so that's why i said so but still once again a lot of thanx. ma'am , i think you probably forgot to answer my II ques. i.e. :-differentiate:(3 roots in the q/s.)I root(on whole)4 + II root(within I)4 + III root(within II)(4 + x*x)EAGERLY WAITING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

SKS , 13 Years ago

Grade 12th pass