sir,, negative sign hoga kya.........????
Akash Anand think again about power of two, it should be n+1 not n+2
Why you people are not trying this question. If I am not wrong same time of question has been discussed during Crash course.
is this the answer sir......kq/r*1/2^(n+2).......
sir,, negative sign hoga kya.........????