Show that the middle term in the expansion `(x-1/x)^(2n)i s` `(1. 3. 5 (2n-1))/n(-2)^n` .

The middle term in the expansioin of (1+x)^(2n) is

The middle term in the expansion of (x + 1/x)^(2n) is

Show that the middle term in the expansion of (1+x)^(2n)i s((1. 3. 5 (2n-1)))/(n !)2^n x^n ,w h e r en is a positive integer.

Show that the middle term in the expansion of (1+x)^(2n)" is "(1.3.5. ..(2n-1))/(n!)(2x)^(n).

Show that the middle term in the expansion of (1+ x)^(2n) is (1.3.5…(2n-1) )/( n!). 2^(n) . x^(n) , where n in N .

The middle terms in the expansion of (1+x)^(2n+1) is (are)

The middle term in the expansion of (1 - (1)/(x))^(n) (1 - x)^(n) is

Find the middle term in the expansion of : (1-2x+x^2)^n

If the middle term in the expansion of (1 + x)^(2n) is (1.3.5…(2n - 1))/(n!) k^(n).x^(n) , the value of k is

Prove that the term independent of x in the expansion of (x+1/x)^(2n) \ is \ (1. 3. 5 ... (2n-1))/(n !). 2^n .