In the expansion of `(x^(2)-(1)/(3x))^9` ,the term independent of `x` is equal to

In the expansion of [2x^(2) – (1)/(x)]^(12) , the term independent of x is

In the expansion of (1+x)^(2m)(x/(1-x))^(-2m) the term independent of x is

In the expansion of (x^(2)-(1)/(3x))^(9) the term without x is equal to (28)/(81) b.(-8)/(243) c.(28)/(243)d

In the expansion of (x-(1)/(3x^(2)))^(9), the term independent of x is T_(3) b.T_(4) c.T_(5) d.none of these

If r^(th) term in the expansion of (x^(2)+1/x)^(12) is independent of x , then r is equal to

The fourth term in the binomial expansion of (x^2 - (1)/(x^3) )^n is independent of x , when n is equal to