The Total solution for NCERT class 6-12
Find the 4th┬аterm from the beginning and 4th┬аtermfrom the end in the expansion of (x + 2/x)┬а9.
Given:
(x + 2/x)┬а9
Let┬аTr+1┬аbethe 4th term from the end.
Then,┬аTr+1┬аis(10 тИТ 4 + 1)th, i.e., 7th, term from the beginning.