this is the best method i have told u.......sacchi me.............

 

by quadratic...........we cant have atleast...............and if we can find by quadratic,.........we have to take cases.......and it will take much time.......

 

so its better........to have one solution...............'

 

and its confirmed..............

 

please i never ask any body to rate my answer,............but

 

the person who has asked the question........should give  some ratings......

 

its not applied to u........but thetre r many who ask the question and we people

 

solve it ..........so the person who has given the answer can be made happy by rating the answer ( if true)..........so

 

sorry everybody  if it has hurted u............

 

sorry ...........but i m not saying to faith but i m saying to everybody.......

 

 

thanku