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!

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find the term idependent of x in the expansion of

( x squired over 2 subtract  2 over X ) power 9

  • -18
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