Find the term independent of x in the expansion of (2x - 1/x)10
Hi Narayana!
Here is the answer to your question.
This will be independent of x, if 10 – 2r = 0.
10 – 2r = 0 ⇒r = 5
Putting r = 5 in (1), we get
Hence, the required term is –8064.
Best wishes!