In the expansion of `(x^(2/3)-1/sqrtx)^20,a` term containing the power `x^13`.

In the expansion of (1+ x + 7/x)^11 find the term not containing x.

In the expansion of (1+ x + 7/x)^11 find the term not containing x.

In the expansion of (1+ x + 7/x)^11 find the term not containing x.

In the expansion of (1+x+(7)/(x))^(11) find the term not containing x .

In the expansion of (1+x+(7)/(x))^(11) find the term not containing x.

Does the expansion of (2x^(2)-(1)/(x))^(20) contain any term involving x^(9)?

Does the expansion of (2x^2-1/x)^(20) contain any term involving x^9?

Consider the expansion of (3x^3+2/x^2)^40 Assuming the term containing x^20 as the (r+1)^(th) term, find the coefficient of x^20 in the expansion of (3x^3+2/x^2)^40

If the rth term is the middle term in the expansion of (x^(2)-(1)/(2x))^(20) , then the (r+3)th term is:

If r^(th) term is the middle term in the expansion of (x^(2)-(1)/(2x))^(20), then (r+3)^(th) term is