find the [n+1]th term from the end in the expansion of [x-1/x]^3n - Maths - Binomial Theorem

Question

find the [n+1]th term from the end in the expansion of
[x-1/x]^3n

Sunanta Meitei · Accepted Answer

Hi!
Here is the answer to your question
<img src=
"https://s3mn%20mnimgs%20com/img/shared/userimages/mn_images/image/BIno%20png"
alt="">
Best wishes!