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 – 2*r* = 0.

10 – 2

*r*= 0 ⇒*r*= 5Putting

*r*= 5 in (1), we getHence, the required term is –8064.

Best wishes!

**
**