The largest term in the expansion of ${(3 + 2x)^{50}}$ where $x = \frac{1}{5}$ is
$5^{th}$
$51^{st}$
$7^{th}$
$6^{th}$
The number of integral terms in the expansion of $(7^{1/3} + 11^{1/9})^{6561}$ is :-
The middle term in the expansion of ${\left( {x + \frac{1}{x}} \right)^{10}}$ is
Write the general term in the expansion of $\left(x^{2}-y x\right)^{12}, x \neq 0$
If $A$ and $B$ are the coefficients of ${x^n}$ in the expansions of ${(1 + x)^{2n}}$ and ${(1 + x)^{2n - 1}}$ respectively, then