Consider the expansion of `(a+b+c+d)^(6)`. Then the sum of all the coefficients of the term
Which contains both a and b is

Consider the expansion of (a+b+c+d)^(6) . Then the sum of all the coefficients of the term Which contains a but not b is (a) 729 (b) 3367 (c) 665 (d) 1024

Consider the expansion of (a+b+c+d)^(6) . Then the sum of all the coefficients of the term Which contains a but not b is

Consider the expansion of (1 + x)^(2n+1) The sum of the coefficients of all the terms in the expansion is

In the expansion of (1 + x)^5 , the sum of the coefficients of the terms is

Consider the expansion (x^(2)+(1)/(x))^(15) . What is the sum of the coefficients of the middle terms in the given expansion ?