0 votes 0 votes The value of the term independent of $x$ in the expansion of $(1-x)^2(x+\frac{1}{x})^7$ is $-70$ $70$ $35$ None of these Combinatory isi2015-dcg combinatory binomial-theorem + – gatecse asked Sep 18, 2019 • recategorized Nov 14, 2019 by Lakshman Bhaiya gatecse 440 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes $(x+a)^{n}$=$\sum \binom{n}{r} x^{n-r} a^{r}$ put x power zero find r then put r in equations Ans=-70 amit166 answered Sep 20, 2019 amit166 comment Share Follow See all 0 reply Please log in or register to add a comment.