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

In the expansion of (3x^2-1/x^3)^10 :find the 7th term.

Which term contains x^8 in the expansion of (x^2 - 1/x)^10 ? Also , find its coefficient.

Consider the expansion of ((4x)/5-5/(2x))^9 Find the 7th term in the expansion

In the expansion of (1+2x+x^2)^7 ,the number of terms will be

Find the term in the expansion of (2x^(2)-(3)/(x))^(11) Which contains x^(6)

Find the term in the expansion of (2x^(2)-(3)/(x))^(11) Which contains x^(6)

If the greatest term in the expansion of (1+x)^(2n) has the greatest coefficient if and only if xepsilon(10/11, 11/10) and the fourth term in the expansion of (kx+ 1/x)^m is n/4 then find the value of mk.

In the expansion of (1+x)^n , 7th and 8th terms are equal. Find the value of ( 7/x +6)^2 .

In the expansion of (1+x)^n , 7th and 8th terms are equal. Find the value of ( 7/x +6)^2 .

In the expansion of (1+x)^n , 7th and 8th terms are equal. Find the value of (7//x+6)^2 .